Eryri / Snowdonia National Park
Includes all summits in the the northern half of Wales from Pumlumon northwards.
Today's Forecast
Windy, walking impeded
Blustery conditions enough to give buffeting on higher terrain or affect balance on exposed ridges. 25 to 40mph.
Patchy rain or drizzle
Rain on and off, or generally drizzly - total amounts small, but may be persistently damp, especially where hills are shrouded in cloud.
Chilly
Air temperature near or just above freezing on higher summits. Feeling distinctly chilly on tops when stationary or where exposed to wind. Take appropriate layers.
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Windy, walking impeded
Blustery conditions enough to give buffeting on higher terrain or affect balance on exposed ridges. 25 to 40mph.
Patchy rain or drizzle
Rain on and off, or generally drizzly - total amounts small, but may be persistently damp, especially where hills are shrouded in cloud.
Chilly
Air temperature near or just above freezing on higher summits. Feeling distinctly chilly on tops when stationary or where exposed to wind. Take appropriate layers.
Viewing Forecast For
Eryri / Snowdonia National Park
Saturday 22nd February 2025
Last updated
Fri 21st Feb 25 at
4:30PM
Summary for all mountain areas
Windy over the mountains, up to gale force higher Scottish tops particularly northwest, but a relative improvement compared to Friday and Sunday. Rain most frequent near Skye, patchy light showers elsewhere. Cloud often capping western tops, higher bases and some breaks eastwards. Near freezing on highest summits.
Headline for Eryri / Snowdonia National Park
Breezy on hills. Brief showers, cloud breaks to tops.
How windy? (On the summits)
Southwesterly 20-30mph, strongest over higher terrain in Snowdon/Yr Wyddfa group.
Effect of the wind on you?
Some inconvenient winds, stability challenged on exposed terrain and ridges. Notable wind chill.
How Wet?
Drizzly showers Snowdon and west coast
Intermittent drizzle into areas around Snowdon and coastal hills further south. Mostly dry north and east.
Cloud on the hills?
Often covering higher western areas
Cloud banks frequent or persistent in southwest regions and high terrain with bases reaching towards 700m. Cloud more patchy and often clear from Ogwen valley northward.
Chance of cloud free summits?
30% southwest, 70% northeast
Sunshine and air clarity?
High cloud thinning allowing sunshine mainly into the northeast. Mostly good visibility, excellent northeast.
How Cold? (at 900m)
2 to 3C. Feeling like -5C in wind.
Freezing Level
Above the summits.
Viewing Forecast For
Eryri / Snowdonia National Park
Sunday 23rd February 2025
Last updated
Fri 21st Feb 25 at
4:30PM
How windy? (On the summits)
South to southwesterly 60 to 70mph, for periods over 80mph at least in gusts on higher tops.
Effect of the wind on you?
Severe conditions: mobility challenging even at mid-elevations, frequently knocking you off your feet where exposed.
How Wet?
Heavy rain
Rain setting in around dawn, soon heavy, continuing likely for much of the daytime, although by later afternoon into early evening becoming showery.
Cloud on the hills?
Extensive
Shrouding the mountains likely all day, from low-to-mid slopes upward western coastal areas, mid-slopes inland. Highest of any breaks north of Ogwen valley.
Chance of cloud free summits?
10%
Sunshine and air clarity?
Overcast and dull, sun unlikely. Hazy, poor visibility in precipitation.
How Cold? (at 900m)
2C rising to 4C. Feeling like -10 to -15C due to wind chill.
Freezing Level
Above the summits.
Viewing Forecast For
Eryri / Snowdonia National Park
Monday 24th February 2025
Last updated
Fri 21st Feb 25 at
4:30PM
How windy? (On the summits)
Southwesterly 25 to 40mph.
Effect of the wind on you?
Blustery over higher terrain, affecting balance on exposed ridges. Considerable wind chill.
How Wet?
Occasional showers
A little rain on and off over windward western hills, brief showers passing eastwards; may fall as snow on highest summits around 900m.
Cloud on the hills?
Varied over higher tops
Banks of cloud typically base 700 to 900m, most frequent over west coastal hills; patches likely to come and go on high tops further east and north.
Chance of cloud free summits?
40%
Sunshine and air clarity?
Occasional sun, mainly toward north/east. Visibility often good, reduced in showers.
How Cold? (at 900m)
2C. Feeling like -7 to -10C in the wind.
Freezing Level
Just above the summits, but then into night lowering onto tops 900-1000m.
Planning Outlook
Wet underfoot following several spells of rain and a marked thaw. Weather conditions deteriorating again into Sunday with storm-force mountain winds and heavy rain. Chillier west to southwesterly winds prevail next week, a return to mostly sub-freezing conditions over Scottish Munros, whilst lower Scottish hills plus mountains in England & Wales will see some freeze and thaw. Showery conditions with hail and upland snow, mixed with occasionally more widespread precipitation.