Climbing Forecast › North Wales — Ogwen › Idwal Slabs

NORTH WALES — OGWEN · RHYOLITE

Idwal Slabs climbing conditions

Good — dry and climbable

Right now

Temp16°C
Wind10.9 km/h
Gusts13 km/h
Humidity86.13%
Rain 48h0mm
Last rainNone recent

Assessment

No recent rain
Humidity 86.13% — potential fog/cloud, rock may be damp from condensation

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Thursday 23 July
Good
Temp16°C
Rain0mm
Wind12 km/h
Gusts18 km/h
Humidity82%
No recent rain
  • Good temperature for mountain rhyolite
Time °C Rain Wind Gust Hum
06:00 12° 0mm 7 10 99.77%
09:00 13° 0mm 10 15 94.38%
12:00 15° 0mm 11 15 84.48%
15:00 16° 0mm 13 18 78.96%
18:00 16° 0mm 11 16 80.91%
21:00 14° 0mm 5 14 89.61%
Fri Friday 24 July
Good
Temp17°C
Rain0mm
Wind14 km/h
Gusts27 km/h
Humidity69%
No recent rain
Time °C Rain Wind Gust Hum
06:00 12° 0mm 3 8 91.45%
09:00 14° 0mm 8 16 82.02%
12:00 16° 0mm 14 24 72.61%
15:00 17° 0mm 15 27 64.78%
18:00 17° 0mm 11 21 66.61%
21:00 15° 0mm 9 17 83.99%
Sat Saturday 25 July
Poor
Temp16°C
Rain1.6mm
Wind23 km/h
Gusts47 km/h
Humidity75%
1.6mm rain forecastWindy — 23 km/h, gusts 47 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 12° 0mm 8 19 93.18%
09:00 14° 0mm 18 38 73.42%
12:00 16° 0mm 23 47 70.47%
15:00 16° 0.33mm 22 45 80.52%
18:00 15° 0.78mm 17 35 92.13%
21:00 15° 0.52mm 13 25 97.78%
Sun Sunday 26 July
Poor
Temp15°C
Rain4.5mm
Wind21 km/h
Gusts42 km/h
Humidity78%
4.5mm rain forecast
  • 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 13° 0.93mm 16 31 97.59%
09:00 13° 0.72mm 18 36 92.68%
12:00 14° 0.78mm 20 42 81.48%
15:00 15° 0.56mm 21 42 74.62%
18:00 15° 0mm 17 34 77.35%
21:00 14° 0mm 11 22 89.18%
Mon Monday 27 July
Good
Temp15°C
Rain0mm
Wind19 km/h
Gusts40 km/h
Humidity71%
Should be dry
  • Good temperature for mountain rhyolite
Time °C Rain Wind Gust Hum
06:00 11° 0mm 13 26 94.5%
09:00 13° 0mm 17 34 81.86%
12:00 15° 0mm 19 39 70.79%
15:00 16° 0mm 19 40 71.75%
18:00 16° 0mm 18 37 81.29%
21:00 14° 0mm 15 30 96.05%
Tue Tuesday 28 July
Poor
Temp16°C
Rain5.1mm
Wind22 km/h
Gusts46 km/h
Humidity87%
5.1mm rain forecastWindy — 22 km/h, gusts 46 km/hHumidity 87% — 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 14° 0.81mm 17 34 97.79%
09:00 15° 1.11mm 21 41 94.54%
12:00 16° 0.99mm 23 46 87.51%
15:00 16° 0.49mm 22 44 87.07%
18:00 16° 0.47mm 20 40 90.06%
21:00 15° 0.55mm 16 32 95.81%
Wed Wednesday 29 July
Poor
Temp16°C
Rain1.4mm
Wind16 km/h
Gusts34 km/h
Humidity78%
1.4mm 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 13° 0mm 12 24 97.98%
09:00 14° 0.53mm 14 30 88.94%
12:00 15° 0.51mm 16 34 79.42%
15:00 16° 0mm 16 33 77%
18:00 16° 0mm 14 29 78.54%
21:00 14° 0mm 10 22 90.35%
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

Other crags in this region

Tryfan East Face