Climbing Forecast › North Wales — Ogwen › Idwal Slabs

NORTH WALES — OGWEN · RHYOLITE

Idwal Slabs climbing conditions

Poor — wet, too windy or closed

Right now

Temp10°C
Wind49.6 km/h
Gusts60 km/h
Humidity97.45%
Rain 48h15.1mm
Last rain2h ago

Assessment

25.4mm rain forecast

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Monday 8 June
Poor
Temp10°C
Rain25.4mm
Wind20 km/h
Gusts38 km/h
Humidity61%
25.4mm rain forecast
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
Time °C Rain Wind Gust Hum
06:00 8° 1.64mm 17 30 95.28%
09:00 9° 0mm 18 31 77.67%
12:00 10° 0mm 19 34 60.1%
15:00 11° 0mm 21 38 61.33%
18:00 10° 0.05mm 21 40 76.48%
21:00 9° 0.21mm 19 40 91.25%
Tue Tuesday 9 June
Poor
Temp10°C
Rain4.4mm
Wind26 km/h
Gusts52 km/h
Humidity78%
4.4mm rain forecastWindy — 26 km/h, gusts 52 km/h
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 7° 0mm 19 38 91.16%
09:00 8° 0.03mm 24 46 85.12%
12:00 9° 0.39mm 28 52 76.71%
15:00 10° 1.12mm 24 47 78.37%
18:00 10° 0.34mm 19 36 77.9%
21:00 9° 0.82mm 10 22 91.77%
Wed Wednesday 10 June
Poor
Temp10°C
Rain3.5mm
Wind20 km/h
Gusts43 km/h
Humidity77%
3.5mm rain forecast
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
Time °C Rain Wind Gust Hum
06:00 7° 0.42mm 12 26 93.47%
09:00 8° 0.68mm 17 36 85.08%
12:00 9° 0.93mm 19 39 80.48%
15:00 10° 0.39mm 22 43 74.41%
18:00 10° 0.35mm 19 37 80.77%
21:00 9° 0.34mm 13 26 92.96%
Thu Thursday 11 June
Poor
Temp11°C
Rain11.4mm
Wind25 km/h
Gusts50 km/h
Humidity92%
11.4mm rain forecastWindy — 25 km/h, gusts 50 km/hHumidity 92% — potential fog
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 8° 1.01mm 17 34 95.07%
09:00 9° 1.83mm 23 45 91.99%
12:00 10° 2.59mm 25 49 92.78%
15:00 11° 2.57mm 26 50 91.13%
18:00 12° 1.96mm 22 42 93.04%
21:00 12° 1.12mm 19 37 96.21%
Fri Friday 12 June
Poor
Temp13°C
Rain3.7mm
Wind25 km/h
Gusts48 km/h
Humidity86%
3.7mm rain forecastWindy — 25 km/h, gusts 48 km/hHumidity 86% — potential fog
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 10° 0.49mm 20 39 96.1%
09:00 11° 0.54mm 24 47 92.26%
12:00 12° 0.5mm 25 48 86.77%
15:00 13° 0.43mm 25 48 84.39%
18:00 13° 0.26mm 21 41 86.13%
21:00 12° 0.29mm 16 30 94.04%
Sat Saturday 13 June
Poor
Temp15°C
Rain0.7mm
Wind16 km/h
Gusts35 km/h
Humidity76%
0.7mm rain forecast
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
Time °C Rain Wind Gust Hum
06:00 10° 0.25mm 14 28 94.88%
09:00 11° 0mm 16 33 87.83%
12:00 14° 0mm 17 35 76.98%
15:00 15° 0mm 16 33 74.31%
18:00 16° 0mm 13 26 78.94%
21:00 14° 0mm 8 17 91.71%
Sun Sunday 14 June
Good
Temp18°C
Rain0mm
Wind14 km/h
Gusts32 km/h
Humidity68%
Should be dry
Time °C Rain Wind Gust Hum
06:00 12° 0mm 7 16 86.51%
09:00 15° 0mm 11 25 75.28%
12:00 18° 0mm 14 32 66.9%
15:00 19° 0mm 14 30 68.77%
18:00 18° 0mm 11 23 75.28%
21:00 15° 0mm 8 15 91.56%
Classic introduction to multi-pitch mountain climbing. East-facing slabs in Cwm Idwal — morning sun, multi-pitch routes to ~160m. Polished from popularity. The descent corner stays damp longer than the slabs themselves. Up to V Diff / Severe is the bread and butter.

About Idwal Slabs

Classic introduction to multi-pitch mountain climbing. East-facing slabs in Cwm Idwal — morning sun, multi-pitch routes to ~160m. Polished from popularity. The descent corner stays damp longer than the slabs themselves. Up to V Diff / Severe is the bread and butter.

Region
North Wales — Ogwen
Rock type
rhyolite
Aspect
east-facing
Altitude
500m
Exposure
high
Seepage
medium