Tymheredd
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Cyson
Darlleniadau Diweddaraf
Y darlleniadau diweddaraf o'r orsaf dywydd ar gopa'r Wyddfa.
Machlud
16:49
Heddiw, Sul
Heddiw, Sul
Tywyllu mewn 6 awr a 42 munud
Caffi'r copa
Ar gau
For the winter
For the winter
Hafod Eryri is now closed until 2020
Darlleniadau Eraill
Lleithder:
%
Pwynt Gwlith:
°C
Pwysau (lefel y môr):
hPa
Gwasgedd (1080m):
hPa
Gwegamera
26/01, 10:00
Rhagolwg
4 Peryglon
Heddiw, Sul
Heddiw, Sul
Gwyntoedd cryfion
Gwelededd Gwael
Effaith oeri difrifol
Glaw Parhaus Trwm
Rhagolwg
Heddiw, Sul
Rain and summit snow clearing in afternoon. Southerly gales easing.
Cloudy with occasional rain, heavy at times, arriving soon after dawn, and falling as sleet or snow above 700m. Rain and summit snow will become light and patchy soon after midday before dying out in early afternoon. Sunny spell developing then a mainly dry and clear evening but squally sleet or snow showers may arrive after dusk.
15 Tach
"The Llanberis path has snow from Clogwyn Station upwards. The path is difficult to follow with snowdrifts leading to the summit. The ability to navigate in winter conditions is essential. #beadventuresmart @visitwales @VisitWalesBiz #snowdon https://t.co/fsvNqQDMV3"