Eryri / Snowdonia National Park
Includes all summits in the the northern half of Wales from Pumlumon northwards.
Wednesday'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.
Hazy, some fog banks
.jpg "Hazy, some fog banks"){kind=icon}
Distant views reduced by haze, locally foggy for a time in valleys and some hill slopes.
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.
Click an icon for more information or click here for a key to all icons.
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.
Hazy, some fog banks
Distant views reduced by haze, locally foggy for a time in valleys and some hill slopes.
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
Wednesday 4th November 2026
Last updated
Tue 3rd Nov 26 at
12:20PM
Summary for all mountain areas
High pressure will remain centred near N Scotland. Areas of cloud, and here and there (mainly N England) a little rain will circulate around the high - sometimes the top of the cloud below higher summits in Scotland. Gusty winds Wales, progressively light wind north into Scotland.
Headline for Eryri / Snowdonia National Park
Mostly cloudy; a little light rain here and there. Gusty wind.
How windy? (On the summits)
Easterly 30 to 40mph, very gusty in places around some tops, elevated passes and locally lower slopes west of major ridges and summits.
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; a little showery rain, mainly east Wales
Showery but mostly light rain rarely; total rainfall very small - much of west Wales dry.
Cloud on the hills?
Cloud base varying, lowest cloud base east Wales
Particularly near rain, cloud base sometimes below 500m east Wales, but otherwise cloud base between 700 and 1000m. The cloud may break up completely for periods west Wales.
Chance of cloud free summits?
60%
Sunshine and air clarity?
Ranging from intermittent sunshine west Wales to cloudy or often cloudy east Wales. Visibility very good or excellent.
How Cold? (at 900m)
2 or 3C. Feeling as cold as minus 6C 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
Tue 3rd Nov 26 at
12:20PM
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 perhaps no rain
Rare spots in the wind, mostly northern hills east from the Carneddau.
Cloud on the hills?
May be persistent northernmost hills
Patchy cloud drifting over some tops mainly in the morning and mostly Carneddau to Bala and Berwyn groups, base around 600m, or by midday mostly near or above 900m. Well broken westwards, many hills often clear.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Sunshine particularly toward west coast. May frequently be cloudy eastern hills. Visibility very good.
How Cold? (at 900m)
3C. Feeling near -10C directly in the wind.
Freezing Level
Above the summits.
Viewing Forecast For
Eryri / Snowdonia National Park
Friday 6th November 2026
Last updated
Tue 3rd Nov 26 at
12:20PM
How windy? (On the summits)
Easterly, 20mph or in morning perhaps 25mph some higher areas Snowdon range. Will tend to ease through day.
Effect of the wind on you?
Fairly small
How Wet?
Little or no rain.
Most possibly all areas dry. But a little damp weather with pockets of very light rain will come and go across mainly east Wales and Carneddau
Cloud on the hills?
Extensive, particularly more eastern hills
Broadly, cloud base will rise westwards and through the day. Particularly in rain, pockets of or extensive cloud lower slopes east Wales, where base 450m or above by midday. Cloud mostly above 750m western hills.
Chance of cloud free summits?
20%
Sunshine and air clarity?
Occasional sunshine, mainly west Wales. Good visibility, but misty in rain
How Cold? (at 900m)
2C
Freezing Level
Above the summits.
Planning Outlook
High pressure will be the main influence through the next week, particularly in Scotland where extensively dry and wind often light. Over England and Wales, the weekend may be 'disappointing' as after a little rain, low cloud and mist may well predominate under light wind. Nevertheless some mountains may clear.