Eryri / Snowdonia National Park
Includes all summits in the the northern half of Wales from Pumlumon northwards.
Tuesday's Forecast
Windy, walking impeded
Blustery conditions enough to give buffeting on higher terrain or affect balance on exposed ridges. 25 to 40mph.
Patchwork of cloud and sun
Dry most or all day. A mix of cloud and sunshine. Occasional cloud banks drifting over higher slopes, lifting above the tops.
Chilly
Air temperature typically 0 to 5C 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.
Patchwork of cloud and sun
Dry most or all day. A mix of cloud and sunshine. Occasional cloud banks drifting over higher slopes, lifting above the tops.
Chilly
Air temperature typically 0 to 5C 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
Tuesday 3rd November 2026
Last updated
Mon 2nd Nov 26 at
4:25PM
Summary for all mountain areas
Cloud drifts across most eastern mountains, more broken westwards; some highest summits in Scotland close to the top of a cloud sheet at times. Local spots of light rain. Light wind northern Scotland, easterly winds elsewhere, stronger over England & Wales. Sunniest toward all western coasts.
Headline for Eryri / Snowdonia National Park
Breezy, gusty; patchy cloud east & north tops, sunnier west.
How windy? (On the summits)
East to northeasterly 25mph, some stronger gusts locally 30mph around high tops and elevated passes, particularly toward mid-Wales.
Effect of the wind on you?
Starting to affect comfortable walking on exposed terrain and some more noticeable gustiness affecting balance. Feeling chilly.
How Wet?
Rare drizzle
Odd patches of drizzle mostly east and northeastern hills in the morning, fading; very little if any toward west coast.
Cloud on the hills?
Mostly east/northeast tops in morning
Cloud banks drifting over higher slopes mostly from Carneddau to Bala and Berwyn groups, base around 700m; thinning during day. Best breaks westwards and coastal hills clearer.
Chance of cloud free summits?
30% rising to 70% east/northeast; 70% all day western tops.
Sunshine and air clarity?
Fairly cloudy, occasional sun breaking through, sunnier toward west coast. Visibility very good out of cloud.
How Cold? (at 900m)
4C, little change all day. Feeling like -5C directly in the wind.
Freezing Level
Above the summits.
Viewing Forecast For
Eryri / Snowdonia National Park
Wednesday 4th November 2026
Last updated
Mon 2nd Nov 26 at
4:25PM
How windy? (On the summits)
Easterly 25 to 40mph, very gusty in places around some tops, elevated passes and locally down western slopes.
Effect of the wind on you?
Affecting comfortable walking on higher slopes, buffeting gusts in places making balance tricky. Considerable wind chill.
How Wet?
Largely dry
Spots of light rain in the wind at times, mainly eastern hills in morning.
Cloud on the hills?
Patches mostly morning
Capping higher slopes in the morning above 700m, most often on eastern hills. Well broken westwards, often lifting higher, increasingly clearing all hills during day.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Sunshine best west, patchy cloud east. Visibility good, though some haze especially eastern areas.
How Cold? (at 900m)
2 or 3C. Feeling like -7 to -10C directly in the wind.
Freezing Level
Close to freezing on highest summits.
Viewing Forecast For
Eryri / Snowdonia National Park
Thursday 5th November 2026
Last updated
Mon 2nd Nov 26 at
4:25PM
How windy? (On the summits)
Easterly 30 to 40mph, very gusty around tops, high passes and in places downslope to west; may ease a little during day.
Effect of the wind on you?
Strenuous walking over the hills, sudden buffeting in places including to some lower elevations; significant wind chill.
How Wet?
Little or no rain
Rare spots in the wind, mostly eastern hills.
Cloud on the hills?
Mostly little, patches north/east
Patchy cloud drifting over some tops mainly in the morning and mostly Carneddau to Bala and Berwyn groups, base around 700m. Well broken westwards, many hills often clear.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Sunshine best toward west coast. Visibility very good.
How Cold? (at 900m)
3C. Feeling near -10C directly in the wind.
Freezing Level
Above the summits.
Planning Outlook
High pressure persists toward the north this week, maintaining quiet weather conditions. Easterly winds prevail, strongest during midweek over England & Wales, tending to lessen toward the weekend; wind often lighter and variable toward northern Scotland. Largely dry, local light showers or drizzle mostly in the east. Variable amounts of cloud covering hills, some higher Scottish tops emerging above an inversion at times. Sunnier and clearer near to western coasts. Generally just above freezing over the mountains, but local pockets of frost in shelter and in glens; toward the weekend, high Scottish tops dip just below freezing.