Eryri / Snowdonia National Park
Includes all summits in the the northern half of Wales from Pumlumon northwards.
Sunday's Forecast
Moderate breeze, locally gusty
A noticeable breeze, feeling cool where exposed on tops. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Sunshine and showers
A good amount of dry and bright weather, but scattered bursts of rain, some may be locally heavy.
Poor visibility
Murky conditions with areas of fog shrouding the hills, making navigation challenging. Map and compass essential.
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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Moderate breeze, locally gusty
A noticeable breeze, feeling cool where exposed on tops. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Sunshine and showers
A good amount of dry and bright weather, but scattered bursts of rain, some may be locally heavy.
Poor visibility
Murky conditions with areas of fog shrouding the hills, making navigation challenging. Map and compass essential.
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
Sunday 8th February 2026
Last updated
Sat 7th Feb 26 at
12:07PM
Summary for all mountain areas
Little change with rain or on higher areas in Scotland snow on and off - showery in character Wales; and the mountains extensively foggy. Fairly light wind - except in northern Scotland at first.
Headline for Eryri / Snowdonia National Park
Increasingly showery; extensive fog. Light wind.
How windy? (On the summits)
Southerly 15 to on higher tops 20mph.
Effect of the wind on you?
Small
How Wet?
Showers
Rain now and again, particularly afternoon when falling as heavy showers with risk hail.
Cloud on the hills?
Extensive on higher slopes.
Cloud base typically 600 to 800m, rare breaks to higher tops, but nearer 300m in rain.
Chance of cloud free summits?
Less than 10%
Sunshine and air clarity?
Occasional sunshine; visibility very good, but poor in rain.
How Cold? (at 900m)
2C
Freezing Level
Above the summits.
Viewing Forecast For
Eryri / Snowdonia National Park
Monday 9th February 2026
Last updated
Sat 7th Feb 26 at
12:07PM
How windy? (On the summits)
South-easterly 20 to 30mph, perhaps strengthening to 35-40mph at times western coastal hills.
Effect of the wind on you?
Blustery and gusty for periods, especially western coastal hills, where perhaps fairly arduous. Considerable wind chill.
How Wet?
Patches or spots of rain here and there
Within an overcast environment, here and there patches, or occasional spots, of rain, particularly southern and eastern areas.
Cloud on the hills?
Extensive, best breaks west coast.
Extensive low cloud covering the mountains, cloud base between 700 and 900m, although lower in rain.
Chance of cloud free summits?
20%
Sunshine and air clarity?
Overcast. General haze, extensive areas of mist and murk.
How Cold? (at 900m)
2C
Freezing Level
Above the summits
Viewing Forecast For
Eryri / Snowdonia National Park
Tuesday 10th February 2026
Last updated
Sat 7th Feb 26 at
12:07PM
How windy? (On the summits)
Southerly 20 or 25mph; although risk of strengthening toward 40mph late in day.
Effect of the wind on you?
Mostly fairly small, but anticipate increasingly arduous walking late in day
How Wet?
Occasional rain
It may stay dry much of or all day following overnight rain - that may linger until after dawn - and further rain approaching from south toward evening.
Cloud on the hills?
Most higher mountains persistently foggy
At first, there may be persistent fog above 400 to 600m. Will tend to improve as breaks develop to750 to perhaps 900m, possibly temporarily clearing to highest tops. But cloud base dropping again in rain.
Chance of cloud free summits?
20%
Sunshine and air clarity?
Occasional sunshine, mostly lower slopes north of Snowdon. Mostly very good or excellent visibility.
How Cold? (at 900m)
2C
Freezing Level
Just above highest summits.
Planning Outlook
Little change over the next few days with continued foggy conditions over most mountains, and rain, or on higher mainly Scottish areas snow. Intermittently southeasterly winds approaching gale force. Later in the week, progressively colder from the north with fresh snow on many mountains.