Condition Analysis
AI-powered assessment using site data and 14-day weather history
Scout Crag received rain this afternoon (4.8mm today, with the heaviest burst around 14:00–16:00) and the forecast ahead is very wet — over 70mm expected in the next five days. The rock is likely damp now and will not get a proper drying window before the next front arrives tomorrow.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag channels drips onto routes for hours after rain, meaning even brief showers keep sections of the crag wet longer than the open face would suggest.
- The south-facing aspect would normally aid drying, but today's 100% cloud cover negates most solar benefit, slowing evaporation significantly.
- As a roadside valley crag at 150m, Scout Crag is quick to access — meaning a short dry window can still be exploited if conditions visually check out, but today's afternoon rain and high humidity make that unlikely.
- The preceding dry spell (Aug 22–25) had the crag in good condition, but today's rain and the upcoming prolonged wet spell effectively reset the drying clock.
Warnings
2
- Wet BVS rhyolite is extremely slippery despite its normally excellent friction — do not be tempted by the easy roadside access.
- The incoming 5-day rainfall total (~74mm) will saturate the hillside above, increasing seepage and tree-drip duration well beyond what the rain itself would suggest.
Reasoning
The crag received around 4.8mm today with the main shower between 14:00–16:00, and the surface is almost certainly wet now with high humidity (82%) and 100% cloud cover preventing effective drying.
Although the south aspect and partial wind exposure normally aid drying, 100% cloud cover all day and light easterly winds of only 4–13 km/h have severely limited evaporation, and the late-afternoon rain leaves little time before dusk.
No structural risk — BVS rhyolite is non-porous and does not weaken when wet, but surface friction is significantly reduced.
Late August in the Lake District brings increasing instability and shorter days; the incoming Atlantic system will deliver heavy, sustained rain through the end of the month.
Contributing Factors
6
Around 4.3mm fell between 14:00–16:00 with further light drizzle into the evening, leaving the rock surface wet.
100% cloud cover all day with humidity averaging 80%+ severely limits evaporative drying.
Tree cover above the crag will channel residual drips onto routes for hours after the afternoon rain.
Four consecutive dry days (Aug 22–25) with warm temperatures had the crag well-dried before today's rain, so there is no deep seepage legacy.
10.8mm forecast for tomorrow and 33.2mm on the 28th mean any brief drying tonight will be immediately undone.
Easterly winds of only 4–13 km/h provide minimal convective drying assistance to the south-facing crag.
Recommendations
3
- Do not climb today — the crag is wet from afternoon rain and will not dry sufficiently before dark.
- Avoid planning sessions through to at least August 31st, as sustained heavy rainfall (70mm+) is forecast with no meaningful dry window.
- Monitor conditions from September 1st onwards — the first forecast dry day — but allow at least a few hours of sun and breeze before climbing after such a prolonged wet spell.
Previous Analyses
Likely Safe to Climb
88%
57 days ago
Scout Crag has had three consecutive dry days with good solar exposure on its south-facing aspect, and today is entirely dry with low humidity through the afternoon — the rock should be well dried out. Climbers should make the most of today and tomorrow, as a prolonged wet spell is forecast from the 26th onwards.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag can cause persistent drips even after the rock face itself has dried, so check for localised damp patches beneath the canopy line.
- The south-facing aspect and low altitude (150m) in the Langdale valley mean drying conditions have been near-optimal over these three dry days.
- The recent wet spell (19th–21st Aug: ~21mm) was significant, but three full dry days with moderate temperatures and breeze should have cleared surface moisture on non-porous BVS rock.
- A heavy wet spell is forecast from the 26th–29th (~46mm), so today and tomorrow represent the best climbing window for at least a week.
Warnings
1
- A sustained wet period is forecast from the 26th through the 29th — do not count on climbable conditions later this week.
Reasoning
Three consecutive dry days since the last trace rain on the 21st (0.9mm), with the heavier rain (9.5mm and 10.3mm) falling on the 19th–20th, gives ample drying time for non-porous volcanic rock at this south-facing, low-altitude site.
South-facing aspect has received strong August solar radiation over three dry days, combined with moderate winds (11–14 km/h), producing effective drying conditions that should have fully cleared surface moisture.
Non-porous BVS rhyolite does not absorb water and is not at risk of structural weakening or hold breakage from the recent wet period.
Mid-to-late August offers reasonable daylight hours and warm temperatures; today's forecast of nearly 20°C with low humidity (48–55% in the afternoon) is excellent for climbing.
Contributing Factors
6
No measurable precipitation since 21 August (0.9mm trace), giving over 72 hours of drying on non-porous rock.
The south aspect maximises solar heating through the day, accelerating evaporation of any residual surface moisture.
Humidity drops to 48–50% this afternoon with clear skies, providing excellent friction conditions on the rough BVS texture.
Over 20mm fell across three days, but three subsequent dry days with good conditions are sufficient drying time for non-porous rock.
Tree cover above the crag can channel residual moisture onto routes even after the main face has dried.
Approximately 46mm of rain is forecast over four days starting the 26th, which will end this dry window decisively.
Recommendations
3
- Climb today or tomorrow to take advantage of the dry window before the prolonged wet spell arrives from the 26th.
- Check for localised damp patches beneath the tree canopy above the crag, particularly on routes directly below overhanging vegetation.
- Consider an early-to-mid afternoon session today when humidity is lowest (48–50%) for best friction on the rough BVS rock.
Marginal — Assess Conditions
70%
58 days ago
Scout Crag has had two full dry days following a wet spell (19–21 Aug), and today's south-facing sunshine with low wind should have dried most surfaces. However, tree cover above the crag may still be producing occasional drips, and humidity remains moderately high, so a visual check on arrival is prudent.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag can channel lingering drips onto routes for 24–48 hours after rain, even when the rock face itself has dried.
- The south-facing aspect and low altitude (150m) in Great Langdale mean solar drying is effective in summer — two dry days after moderate rain is usually sufficient for surface moisture.
- Being a roadside crag, conditions can be quickly assessed on arrival without committing to a long walk-in, making an 'assess on arrival' approach very practical here.
- A major wet spell is forecast from Aug 27–28 (67+ mm combined), so the current dry window is the best opportunity before conditions deteriorate significantly.
Warnings
1
- Heavy rainfall (67+ mm) is forecast for Aug 27–28; do not plan climbing on those days and expect extended drying needed afterwards.
Reasoning
After 10.3mm on Aug 20, only 0.9mm on Aug 21, and two completely dry days (Aug 22–23), surface moisture on non-porous BVS rhyolite should have largely evaporated, though sheltered areas beneath tree canopy may retain dampness.
South-facing aspect with moderate wind and summer sun provides effective drying; two full dry days with dropping humidity (78% → 75%) and warm temperatures (up to 18°C) are generally adequate for this non-porous rock at low altitude.
BVS rhyolite is non-porous and extremely hard — no risk of structural weakening or hold breakage from recent moisture.
Mid-to-late August offers reasonable daylight hours and warmth for drying, though the Lake District's prevailing westerly weather means frequent wet spells are normal; the current dry window is a good opportunity before forecast heavy rain arrives.
Contributing Factors
6
Aug 22 and 23 have been completely dry, allowing non-porous rock surfaces to shed moisture effectively.
The S-facing orientation at just 150m maximises solar exposure in summer, accelerating surface drying.
The period Aug 16–21 delivered over 33mm across six days, saturating surroundings and tree canopy above the crag.
Tree cover above Scout Crag is known to cause persistent drips after rain, potentially keeping some lines damp despite dry weather.
Humidity at 75% with light southerly wind is acceptable but not ideal for rapid evaporation of residual dampness.
Over 67mm is forecast for Aug 27–28, meaning the current dry window is narrow and conditions will deteriorate sharply.
Recommendations
3
- Visit tomorrow (Aug 24) for the best window — dry, warm, and with a favourable SE breeze to aid any final drying.
- On arrival, check routes beneath the tree canopy above the crag for lingering drips before committing to climb.
- Plan to complete your session before mid-week when very heavy rain (67+ mm) is forecast for Aug 27–28.
Marginal — Assess Conditions
60%
59 days ago
Scout Crag has had a wet week with over 33mm of rain in the last 7 days, but today is dry following a dry day yesterday, and the south-facing aspect at low altitude should be promoting reasonable drying. However, with only one full dry day behind us and high recent humidity, some residual dampness — particularly from tree drip above — is likely, so a visual check on arrival is essential.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag can cause persistent drips onto routes for hours after rain has stopped, even when the main rock face appears dry.
- The south-facing aspect and low valley position (150m) give Scout Crag a significant drying advantage over the higher Langdale crags like Raven Crag or Gimmer.
- The recent spell from Aug 16–20 delivered over 32mm across five consecutive wet days, saturating the ground and tree canopy above, which extends drip-drying time.
- Being a roadside crag with a minimal walk-in, it's easy to drive up, check conditions, and retreat to the pub at the Old Dungeon Ghyll if the rock is still damp.
Warnings
1
- Wet BVS rhyolite is significantly more slippery than dry — do not climb on visibly damp rock as friction loss on this steep crag creates a real fall risk.
Reasoning
After a very wet period (Aug 16–20, ~32mm), the rock surface has had roughly 1.5 dry days to shed moisture, but the non-porous BVS surface should be largely dry on exposed faces given today's dry, moderate conditions — the main concern is residual drip from saturated tree cover and any sheltered recesses.
The south-facing aspect receives good solar radiation through the day and moderate westerly/northwesterly winds are helping evaporation, but humidity remains in the mid-to-high 70s, slowing full drying of sheltered areas and tree-fed seepage.
No structural risk — BVS rhyolite is non-porous and does not weaken when wet; the concern is purely friction loss on damp surfaces.
Mid-to-late summer provides long daylight hours and reasonable temperatures for drying, though August in the Lake District is typically one of the wetter months and the recent pattern reflects this.
Contributing Factors
6
Over 33mm fell in the last 7 days, with a particularly wet spell Aug 16–20 delivering 32mm across five days, saturating the surroundings.
The 150m south-facing aspect maximises solar drying and gives Scout Crag the best drying profile of the Langdale venues.
Tree cover above the crag traps moisture and causes drips onto routes well after rain has ceased, especially following prolonged wet spells.
Only one full dry day (Aug 21 had 0.9mm) before today's dry spell, which is marginal for fully clearing tree drip and sheltered dampness.
Winds around 11–13 km/h with humidity in the mid-70s provide moderate but not exceptional drying conditions.
BVS rhyolite does not absorb water so there is no risk of structural damage, and exposed surfaces dry within hours once rain stops.
Recommendations
3
- Visit the crag and visually inspect the rock surface and any drip lines from the trees above before committing to climb — touch-test suspect areas for dampness.
- Prioritise routes on the most exposed, sun-catching sections of the buttress and avoid any lines directly below tree cover where drips may persist.
- If damp patches are found, consider waiting until the afternoon when the south-facing aspect will have had maximum solar exposure for the day.
Do Not Climb
45%
60 days ago
Scout Crag has received significant recent rainfall — 33.5mm in the last 7 days including 10.3mm yesterday and 9.5mm the day before — with light rain again today. Although the south-facing BVS rock dries relatively quickly, the combination of persistent wet weather, high humidity (83% average), and tree-drip overhead means the rock surface is very likely still damp; conditions should improve markedly over the next two dry days.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag can channel persistent drips onto routes for many hours after the last rain, keeping sections damp even when surrounding rock has dried.
- South-facing aspect at low altitude provides the best drying conditions in the Langdale valley, but recent multi-day rainfall has saturated the ground and vegetation above.
- As a roadside valley crag, Scout Crag sits in a sheltered microclimate where humid air can linger, slowing evaporation despite moderate wind exposure.
- BVS rock here has excellent friction when fully dry but becomes notably slippery when damp — surface moisture from tree-drip is easy to miss until you're on a route.
Warnings
2
- Damp BVS rock is deceptively slippery — what looks dry on the surface may still have a thin moisture film reducing friction significantly.
- Do not be tempted by the roadside convenience to climb today or early tomorrow; the heavy recent rainfall needs time to clear from the tree canopy above.
Reasoning
With 10.3mm on Aug 20, 9.5mm on Aug 19, and 1.3mm today, the rock surface is almost certainly still carrying residual moisture, compounded by tree-drip from saturated vegetation above.
Despite the south-facing aspect and moderate wind, only a few hours of the day have been dry with humidity at 74% today and light northerly winds at 10 km/h — insufficient to fully dry the crag surface and clear tree-drip after heavy recent rain.
Non-porous BVS rhyolite is not at risk of structural damage or hold breakage from moisture; the concern is purely friction loss on damp surfaces.
Mid-August conditions are generally favourable for drying, but the current unsettled spell with above-average rainfall and high humidity has negated the seasonal advantage.
Contributing Factors
7
33.5mm in the last 7 days including two consecutive days of ~10mm immediately before today creates saturated ground and vegetation that will drip onto the crag.
1.3mm recorded today means the rock has had no meaningful drying window since the last wet period.
Average humidity of 83% over the past week and 74% today slows surface evaporation even on south-facing rock.
Tree cover above the crag is known to cause persistent drips after rain, and the saturated canopy will continue feeding moisture onto routes.
The S aspect at 150m gives Scout Crag the best possible drying conditions in the valley, and with dry weather forecast from tomorrow, surfaces should dry relatively quickly.
0mm precipitation forecast for Aug 22–24 with moderate NW winds should allow effective drying over the next 48 hours.
BVS rhyolite does not absorb water, so once surface moisture evaporates the rock will be fully in condition with no extended internal drying needed.
Recommendations
3
- Wait at least one full dry day before climbing — conditions should be significantly better by the afternoon of Aug 22 or morning of Aug 23.
- Check for tree-drip from above before committing to a route, particularly on the upper sections where canopy overhang is greatest.
- If visiting during the dry window of Aug 23–24, arrive in the afternoon when the south-facing aspect has had maximum sun exposure for drying.
Do Not Climb
45%
61 days ago
Scout Crag has received significant rain over the past few days (9.5mm yesterday, 3.1mm the day before, and 2.7mm today through the morning), with showers continuing until early afternoon today. While the south-facing aspect and non-porous rock will aid drying this afternoon, the persistent wet spell and tree-drip effects mean the rock is unlikely to be reliably dry today; a late-afternoon window is possible but uncertain.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag channels persistent drips onto routes well after rain stops — expect localised wet patches even hours after the last shower.
- South-facing aspect at low altitude means the crag benefits from afternoon sun, which is forecast to break through from around 14:00 today with dropping humidity.
- The crag sits right beside the valley road near the Old Dungeon Ghyll, so a quick visual check on arrival is easy and costs nothing — worth doing before committing.
- Recent high humidity (84% average over the last week) slows surface evaporation even on non-porous rock, so apparently dry surfaces may still have residual moisture in textured holds.
Warnings
2
- BVS rhyolite becomes dangerously slippery when damp — do not trust apparently dry-looking surfaces without a tactile check.
- Tree drip can persist for many hours after rain stops; routes directly below tree cover may remain wet into the evening.
Reasoning
Rain fell through the morning today (2.7mm total) on top of 9.5mm yesterday and 3.1mm the day before, so the rock surface is currently wet and tree drip will persist for hours.
The south-facing aspect and clearing skies from 14:00 with moderate wind (~13 km/h) and dropping humidity (to 55%) should allow surface drying within 2–3 hours, but tree drip above may keep some lines damp longer.
No structural risk — BVS rhyolite is non-porous and does not weaken when wet, so the concern is purely friction loss on damp surfaces.
Mid-August offers long daylight hours and reasonable warmth, but this has been a notably wet spell with 24.6mm in the last 7 days and high ambient humidity limiting drying potential.
Contributing Factors
6
Nearly 22mm fell in the last four days (Aug 16–19) with a further 2.7mm today, keeping the crag and surrounding vegetation thoroughly saturated.
Intermittent light rain continued through to 13:00 today, resetting the drying clock to early afternoon at best.
From 14:00 onward, rain stops, cloud cover drops to ~45%, and humidity falls to 55%, giving the south-facing rock a few hours of drying conditions.
Tree cover above Scout Crag channels residual drips onto routes for hours after rain, which will delay drying on affected lines.
The 150m south-facing aspect maximises solar gain during any afternoon clearing, and non-porous BVS rock sheds surface water relatively quickly.
The 7-day average humidity of 84% limits evaporative drying even when it isn't raining.
Recommendations
3
- Wait until tomorrow (Aug 21) for a much better prospect — forecast is nearly dry with clearing conditions and lower humidity.
- If you must visit today, arrive no earlier than 15:30–16:00 and visually inspect each route for damp patches and tree drip before climbing.
- Carry a towel and chalk but be prepared to walk away if friction feels compromised — slippery BVS rock is a serious fall risk.
Do Not Climb
90%
62 days ago
Scout Crag is currently soaked from 21.4mm of rain today, with heavy showers continuing through the morning and further rain forecast this afternoon. The rock will be thoroughly wet and slippery — not suitable for climbing today.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag causes persistent drips well after rain stops, extending drying time beyond what the south-facing aspect alone would suggest.
- The crag has received over 33mm in the last 7 days and 21mm today alone — even this fast-drying BVS rock will need a solid dry spell to shed surface water and drip lines.
- As a low-altitude roadside venue, Scout Crag is easy to check in person — worth a quick drive-by from the Old Dungeon Ghyll if conditions look promising later in the week.
- South-facing aspect and partial wind exposure will aid rapid drying once the rain clears, but high humidity (82% average this week) slows evaporation.
Warnings
2
- The rock is actively wet and will be extremely slippery — do not attempt to climb today.
- Further heavy showers (up to 3.6mm/hr) are forecast between 15:00 and 17:00 today.
Reasoning
The rock is currently saturated from 21.4mm of rain today, with showers ongoing through the morning and a further heavy burst forecast at 15:00–17:00, leaving the surface thoroughly wet.
With rain continuing intermittently all day and humidity around 90%, there has been virtually no drying opportunity; the south-facing aspect is irrelevant under full cloud cover and persistent precipitation.
No structural risk — BVS rhyolite is non-porous and does not weaken when wet, but friction loss on the rough crystalline surface when damp is significant.
Mid-August should be prime climbing season, but the Lake District has been in a notably unsettled spell with frequent rain; conditions should improve from August 21st onwards.
Contributing Factors
6
21.4mm of precipitation today with showers continuing through the afternoon makes the rock thoroughly wet and unsafe for friction-dependent climbing.
Humidity has averaged 82% over the last week and is 88% today, significantly slowing evaporation and drying.
33.3mm in the last 7 days means the crag environment — including tree canopy above and drainage lines — is saturated.
Tree cover above the crag causes persistent dripping onto routes well after rain ceases, extending drying time.
The forecast shows zero precipitation from August 21st onwards with decreasing humidity, promising a solid drying window.
When the sun returns, the south-facing orientation will maximise solar heating and accelerate drying of surface moisture.
Recommendations
3
- Do not climb today — the crag is soaked and further rain is forecast this afternoon.
- Target August 22nd or later for a visit; by then the crag should have had a full dry day with favourable aspect to shed moisture.
- Check the crag visually on arrival — tree drip lines above can keep specific sections damp even when the main face looks dry.
Do Not Climb
70%
63 days ago
Scout Crag has received persistent light rain over the past three days (2.9mm, 2.8mm, and 2.7mm today) with 100% cloud cover and high humidity throughout today, meaning the rock is almost certainly damp with no meaningful drying window. Tomorrow brings a heavier 7.7mm of rain, so conditions are not expected to improve until at least August 21st.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag can cause persistent drips well after rain stops, extending effective drying time beyond what the open rock surface would suggest.
- As a low-altitude valley crag at 150m, Scout Crag avoids cloud-base issues but remains susceptible to the high ambient humidity currently sitting in Great Langdale.
- The south-facing aspect is of limited benefit today and tomorrow due to 100% cloud cover eliminating direct solar radiation.
- Roadside access means a quick turnaround is possible — worth checking conditions in person from August 21st onward when the dry spell begins.
Warnings
2
- Wet BVS rhyolite is extremely slippery despite its normally excellent friction — do not underestimate the friction loss on damp surfaces.
- Tree-drip seepage above the crag can make routes feel wetter than open weather data suggests.
Reasoning
Three consecutive days of light rain (2.9mm on the 16th, 2.8mm on the 17th, 2.7mm today) combined with 85–97% humidity and complete cloud cover mean the rock surface is currently wet or damp.
With 100% cloud cover all day, no direct sun on the south-facing aspect, and humidity remaining above 77%, there has been essentially no effective drying today despite moderate westerly wind at ~15 km/h.
No structural risk — BVS rhyolite is non-porous and does not weaken when wet, so hold breakage is not a concern.
Mid-August should offer reasonable drying conditions, but this unsettled spell with persistent drizzle and high humidity is preventing the crag from drying out despite the favourable season.
Contributing Factors
6
Light but persistent precipitation on Aug 16–18 (total ~8.4mm) has kept the rock surface wet with no intervening dry period.
Humidity has remained above 77% all day with most hours above 85%, severely impeding evaporative drying.
100% cloud cover throughout today negates the south-facing aspect's solar drying advantage entirely.
7.7mm forecast for August 19th will re-wet any surfaces that might have partially dried, delaying climbable conditions further.
BVS rhyolite does not absorb water so will dry quickly once conditions allow, and there is no risk of structural damage.
Partial wind exposure at 15–17 km/h provides some airflow to assist surface drying once rain stops.
Recommendations
3
- Wait until at least August 21st when the forecast shows the start of a dry spell with lower humidity before visiting.
- If visiting on the 21st, check for residual drips from the tree cover above the crag — these can persist hours after the last rain.
- Carry a towel to dry holds if attempting routes on the first dry day; prioritise well-drained sections of the buttress away from drainage lines.
Do Not Climb
85%
64 days ago
Scout Crag is wet today following overnight and early morning rain, with persistent high humidity (90%+), 100% cloud cover suppressing solar drying, and further rain forecast from late afternoon through the evening. The coming week brings a prolonged wet spell with significant rainfall forecast, making conditions unsuitable.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag channels persistent drips onto routes after rain, meaning even light showers keep sections of the rock damp for longer than the open face would suggest.
- As a low valley crag at 150m, Scout Crag avoids cloud-base issues but sits in the sheltered Langdale valley where still, humid air can linger and slow evaporation.
- The south-facing aspect would normally promote fast drying, but today's 100% cloud cover completely negates solar heating advantage.
- Being roadside and quick to access, Scout Crag is well-suited for opportunistic visits during brief dry windows — but today offers no reliable window.
Warnings
2
- Wet BVS rhyolite loses friction dramatically — do not attempt routes even if the surface appears merely damp.
- Heavy rain (5mm+) forecast tonight into tomorrow will keep conditions poor; tree drip above routes will persist well into any subsequent dry period.
Reasoning
The rock is currently wet from overnight/early morning drizzle (0.4mm between 05:00–06:00), preceded by 2.6mm yesterday, with humidity consistently above 90% and no solar drying under total cloud cover.
Despite the south-facing aspect, today's near-zero wind speeds (1–5 km/h) through the morning, 100% cloud cover, and extreme humidity (83–98%) mean negligible evaporative drying; the brief mid-afternoon dry spell is too short and humid to dry the surface, and tree drip will persist.
No structural risk — BVS rhyolite is non-porous and does not weaken when wet, but friction loss on the rough volcanic surface when damp makes climbing hazardous.
Mid-August should be peak season, but this unsettled Atlantic pattern with frequent frontal rain is typical of a poor Lake District summer spell; conditions are well below seasonal expectations.
Contributing Factors
6
Light rain fell early this morning with further showers forecast at 15:00, 18:00–19:00, and heavy rain (5.2mm) from 21:00–23:00, keeping the rock wet throughout the day.
Humidity remains above 80% all day with peaks at 96–98%, meaning any brief dry periods cannot effectively evaporate surface moisture.
100% cloud cover forecast all day eliminates the solar radiation advantage of the south-facing aspect that normally accelerates drying.
Wind speeds of only 1–5 km/h through the morning and early afternoon provide minimal convective drying.
9mm in the past 7 days with rain on multiple days means the surrounding ground, vegetation, and tree canopy above the crag are saturated, promoting continued drip and seepage.
BVS rhyolite does not absorb water so there is no structural damage risk, and the rock will dry quickly once a proper dry, sunny window arrives.
Recommendations
3
- Do not climb today — the rock will be wet and slippery throughout with no reliable dry window.
- Monitor conditions for August 22nd onwards, when the forecast shows the first properly dry day with lower humidity.
- If visiting Langdale this week, consider indoor alternatives or save the trip for a confirmed dry spell.
Do Not Climb
45%
65 days ago
Today has seen light rain (0.9mm) with high humidity (84%), and the forecast brings further rain tomorrow and significant precipitation on the 18th and 19th. While Scout Crag's south-facing BVS rock dries quickly, the current damp conditions and incoming wet weather make today and the next few days poor choices for climbing.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Tree cover above the crag can cause persistent drips onto routes for hours after rain has stopped, even when the main rock face appears dry.
- As a low-altitude valley crag at 150m, Scout Crag benefits from warmer temperatures and avoids cloud-base issues, but Langdale valley can channel damp south-westerly air directly onto the south-facing rock.
- The crag's roadside accessibility makes it easy to drive past and visually assess conditions before committing — worth a quick look even on marginal days.
- The recent spell of dry warm weather (Aug 10–15) will have left the rock well-dried internally, so once surface moisture clears after the incoming rain, it should recover quickly.
Warnings
2
- BVS rock becomes dangerously slippery when damp — do not trust friction-dependent moves if the surface has any moisture.
- Significant rainfall (18mm+) forecast for August 18–19; avoid the crag entirely on those days.
Reasoning
Today's 0.9mm of rain combined with 84% humidity means the rock surface is likely damp, and tree-drip above the crag will prolong any surface moisture.
The south-facing aspect and moderate westerly wind (15.8 km/h) would normally dry surface moisture within a few hours, but persistent high humidity today is limiting evaporation rates.
BVS rhyolite is non-porous and suffers no structural weakening from moisture — the only risk is reduced friction on damp surfaces.
Mid-August offers reasonable daylight hours and temperatures, but the current unsettled spell with south-westerly airflow is typical of a Lake District summer breakdown.
Contributing Factors
6
0.9mm of precipitation today with 84% humidity means the rock surface is likely still damp.
The forecast shows 2.0mm tomorrow, then 9.3mm and 9.0mm on the 18th and 19th, making conditions progressively worse.
Humidity at 84% today rising to 90–93% over the next three days severely limits surface evaporation.
The 150m altitude and south aspect provide the best possible drying conditions for the Lake District, meaning recovery will be rapid once the rain clears.
Tree cover above the crag causes persistent drips after rain, extending the time before routes are truly dry.
Five consecutive dry days (Aug 10–15) with warm temperatures up to 27°C will have thoroughly dried the rock before this current wet spell.
Recommendations
3
- Wait until August 21st when the forecast shows the first fully dry day with dropping humidity (76%) and light winds — this is the earliest realistic window for confident climbing.
- If visiting before then, drive past the crag and visually check the rock face and tree-drip zones before gearing up — the roadside location makes this trivially easy.
- Carry a towel and brush, and focus on the most exposed sections of the buttress that are clear of overhanging trees if you do find dry rock.
Climbing Outlook