Eryri / Snowdonia National Park
Includes all summits in the the northern half of Wales from Pumlumon northwards.
Today's Forecast
Moderate breeze, fairly small impact, but chilly
A noticeable breeze, feeling distinctly chilly. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Mostly dry, partly cloudy
Dry most or all day. Variable amounts of sun and cloud, occasional patches drifting onto some higher slopes, but most summits often clear.
Clear
Excellent or superb visibility, no navigation issues.
Cool
Temperatures above freezing but typically no higher than +5C over the tops - if exposed to brisk winds will feel sub-zero. May not feel cold when climbing, but noticeably cold when stationary. Carry suitable clothing.
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Moderate breeze, fairly small impact, but chilly
A noticeable breeze, feeling distinctly chilly. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Mostly dry, partly cloudy
Dry most or all day. Variable amounts of sun and cloud, occasional patches drifting onto some higher slopes, but most summits often clear.
Clear
Excellent or superb visibility, no navigation issues.
Cool
Temperatures above freezing but typically no higher than +5C over the tops - if exposed to brisk winds will feel sub-zero. May not feel cold when climbing, but noticeably cold when stationary. Carry suitable clothing.
Viewing Forecast For
Eryri / Snowdonia National Park
Wednesday 24th April 2024
Last updated
Tue 23rd Apr 24 at
4:30PM
Summary for all mountain areas
Widely dry but cold. Occasional snow flurries or hail on high ground. Highlands: widespread cloud layer on upper slopes at first, highest summits may be above this. Lifting and clearing away from the west coast. Elsewhere: odd patch of cloud but most summits will be cloud free all day.
Headline for Eryri / Snowdonia National Park
Risk of snow flurries and noticeable wind chill
How windy? (On the summits)
Northerly 15 to 20mph, occasionally 25mph some higher tops in Yr Wyddfa/Snowdon range. Becoming light and variable direction from mid-afternoon.
Effect of the wind on you?
Mostly small effect on walking. Feeling chilly in the wind, but pleasant where sheltered in the sun.
How Wet?
Occasional showers
Risk of a brief flurry of soft hail or snow, mostly northern hills in the morning, moving southwards, likely fading.
Cloud on the hills?
Lifting to tops, clearing
Patches on some higher slopes in the morning, lifting above most summits by afternoon.
Chance of cloud free summits?
60%
Sunshine and air clarity?
Broken cloud and sun. Visibility excellent.
How Cold? (at 900m)
1C rising to 3C. Wind chill feels like -6C on tops in morning, still sub-zero in afternoon.
Freezing Level
Frost in sheltered valleys and some upper cols at first. Lifting above all tops.
Viewing Forecast For
Eryri / Snowdonia National Park
Thursday 25th April 2024
Last updated
Tue 23rd Apr 24 at
4:30PM
How windy? (On the summits)
West to northwesterly, 15 to 25mph.
Effect of the wind on you?
Fairly small effect on walking, but continued notable wind chill on hills.
How Wet?
Showers developing
A few showers near to coasts in the morning, then forming more widely inland with time, possible hail, plus snow flurries over higher terrain.
Cloud on the hills?
Occasionally covering higher areas
Banks of cloud drifting onto some higher slopes in the morning. Bases rising toward higher summits, often lifting above tops by middle of day onward.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Variable cloud and sun, best in morning. Visibility excellent.
How Cold? (at 900m)
2 or 3C. Wind chill feeling like -5C.
Freezing Level
Near freezing sheltered higher areas and valleys at first. Otherwise just above freezing to tops.
Viewing Forecast For
Eryri / Snowdonia National Park
Friday 26th April 2024
Last updated
Tue 23rd Apr 24 at
4:30PM
How windy? (On the summits)
Light winds, 5 to perhaps 15mph. Variable direction but tending to be southeasterly.
Effect of the wind on you?
Negligible or small. Risk of marked wind chill, especially North Wales.
How Wet?
Risk of drizzly showers
Occasional drizzle or drizzly shower near Yr Wyddfa/Snowdon range. Snow flurries on higher ground. Mostly dry Cadair Idris southwards.
Cloud on the hills?
Lifting above most tops
Patches of cloud on higher slopes, especially during and after showers. Bases rising in the afternoon..
Chance of cloud free summits?
70%
Sunshine and air clarity?
Widespread sunshine in morning become patchy as clouds form in the afternoon. Good visibility.
How Cold? (at 900m)
Near or just below freezing at first, tending to rise marginally through the day. Coldest in north Wales where it may feel below -5C in the wind at times.
Freezing Level
800m near Yr Wyddfa/Snowdon range, but may be above summits. Above summits Cadair Idris southwards.
Planning Outlook
Remaining cold, especially northern England and Scotland. Initially winds remaining light but showers becoming more likely, falling as snow on high ground. Small but active low bringing wind and precipitation to England and Wales on Saturday and across UK on Sunday. Remaining showery into the early part of next week.