Right now

Temp8°C

Wind7.8 km/h

Gusts17 km/h

Humidity100%

Rain 48h0mm

Last rainNone recent

Assessment

No recent rain

Humidity 96% — potential fog

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Thursday 23 July

Caution

Temp10°C

Rain0mm

Wind18 km/h

Gusts25 km/h

Humidity96%

No recent rainHumidity 96% — potential fog

Good temperature for mountain rhyolite
Damp mountain air — upper pitches may stay greasy

Time °C Rain Wind Gust Hum

06:00 8° 0mm 8 17 100%

09:00 9° 0mm 20 25 99.32%

12:00 9° 0mm 18 24 96.97%

15:00 10° 0mm 18 25 94.11%

18:00 11° 0mm 14 21 88.17%

21:00 10° 0mm 15 23 96.11%

Fri Friday 24 July

Good

Temp11°C

Rain0mm

Wind20 km/h

Gusts34 km/h

Humidity79%

No recent rain

Good temperature for mountain rhyolite

Time °C Rain Wind Gust Hum

06:00 8° 0mm 16 21 98.62%

09:00 9° 0mm 16 26 90.27%

12:00 11° 0mm 20 33 81.83%

15:00 11° 0mm 20 34 75.58%

18:00 11° 0mm 20 30 76.41%

21:00 10° 0mm 21 25 90.87%

Sat Saturday 25 July

Poor

Temp11°C

Rain2.6mm

Wind35 km/h

Gusts59 km/h

Humidity83%

2.6mm rain forecastWindy — 35 km/h, gusts 59 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 8° 0mm 25 34 95.15%

09:00 10° 0mm 29 49 75.89%

12:00 11° 0mm 35 59 77.42%

15:00 11° 0.64mm 35 56 89.25%

18:00 10° 0.97mm 32 48 95.58%

21:00 10° 0.95mm 28 40 98.16%

Sun Sunday 26 July

Poor

Temp10°C

Rain4.5mm

Wind29 km/h

Gusts51 km/h

Humidity85%

4.5mm rain forecastWindy — 29 km/h, gusts 51 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 8° 0.75mm 29 42 97.58%

09:00 8° 0.89mm 27 45 94.51%

12:00 9° 0.77mm 28 49 86.69%

15:00 10° 0.41mm 30 51 82.93%

18:00 10° 0.39mm 29 47 85.22%

21:00 9° 0.26mm 29 41 93.87%

Mon Monday 27 July

Caution

Temp10°C

Rain0mm

Wind28 km/h

Gusts49 km/h

Humidity77%

Should be dryWindy — 28 km/h, gusts 49 km/h

Good temperature for mountain rhyolite
Breezy — helps drying

Time °C Rain Wind Gust Hum

06:00 6° 0mm 27 39 95.24%

09:00 7° 0mm 24 41 86.44%

12:00 9° 0mm 27 46 76.72%

15:00 10° 0mm 29 49 76.45%

18:00 10° 0mm 32 49 86.03%

21:00 10° 0mm 37 51 95.56%

Tue Tuesday 28 July

Poor

Temp11°C

Rain5.3mm

Wind37 km/h

Gusts58 km/h

Humidity86%

5.3mm rain forecastWindy — 37 km/h, gusts 58 km/h

Good temperature for mountain rhyolite
Wet rhyolite is slippery; seepage from grass above can linger
Very windy — consider sheltered alternatives

Time °C Rain Wind Gust Hum

06:00 9° 0.68mm 38 54 96.54%

09:00 10° 0.91mm 36 55 93.14%

12:00 11° 0.97mm 37 58 86.12%

15:00 11° 0.9mm 37 57 85.28%

18:00 11° 0mm 35 53 88.29%

21:00 10° 0.54mm 35 48 95.6%

Wed Wednesday 29 July

Poor

Temp11°C

Rain2.1mm

Wind28 km/h

Gusts47 km/h

Humidity78%

2.1mm rain forecastWindy — 28 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 9° 0.61mm 29 42 96.03%

09:00 9° 0.44mm 27 44 89.28%

12:00 11° 0mm 28 47 79.8%

15:00 12° 0mm 28 46 76.12%

18:00 12° 0mm 26 41 80.72%

21:00 10° 0mm 27 36 93.92%

Thu Thursday 30 July

Good

Temp8°C

Rain0mm

Wind25 km/h

Gusts—

Humidity—

Should be dry

Good temperature for mountain rhyolite
Breezy — helps drying

Time °C Rain Wind Gust Hum

06:00 8° 0mm 22 31 95.13%

South-facing lower crag in the Pass — can be climbed on clear winter days. Dries faster than its north-facing neighbours. Crackstone Rib is the classic line. Excellent crag for sub-E1 climbers.

About Carreg Wastad

South-facing lower crag in the Pass — can be climbed on clear winter days. Dries faster than its north-facing neighbours. Crackstone Rib is the classic line. Excellent crag for sub-E1 climbers.

Region: North Wales — Llanberis Pass
Rock type: rhyolite
Aspect: south-facing
Altitude: 380m
Exposure: medium
Seepage: low

Other crags in this region

Dinas Cromlech Dinas Mot