Includes all summits in the the northern half of Wales from Pumlumon northwards.
Eryri / Snowdonia National Park
Thursday 9th October 2025
Last updated
Wed 8th Oct 25 at
4:30PM
Westerly gales across Scottish mountains, strongest toward the north, but widely very gusty. Windy also for northern England, lower speeds south across Wales. Low cloud covering most western hills, to lower elevations SW Scotland southwards, with some drizzle. Clearer with some sun in eastern Scotland.
Gusty winds. Low cloud, a little drizzle west.
Westerly 20 to 25mph, strongest sustained speeds higher tops in north, 30mph in places, gusty through passes and locally downslope.
Blustery over the hills, gusts affecting balance in exposure over tops and ridges. Feeling cool.
Some drizzle
Drizzle most frequent slopes near coasts, particularly hills facing Anglesey. Fine drizzle in the air at times further inland, less toward east Wales.
Extensive, lowest west
Covering the hills most likely all day, above 500-600m western areas and near north coast, or to some lower slopes nearest coast. Base higher further inland, 700-800m, breaks toward tops toward Berwyn group.
10%, to 30% easternmost areas.
Rare moments of sun through the cloud. Hazy below cloud, visibility reduced to poor in drizzle.
7 or 8C, little change all day. Feeling near/below freezing in the wind.
Above the summits
Eryri / Snowdonia National Park
Friday 10th October 2025
Last updated
Wed 8th Oct 25 at
4:30PM
West to northwesterly 15 to 20mph, locally lighter and variable mid-Wales.
Mostly small, some more noticeable gusts around some higher ridges.
Largely dry
Rare pockets of fine drizzle in the morning, mostly toward coast.
Fairly extensive, breaks forming
Varied low cloud and fog from dawn, becoming confined higher up during the morning, for a time some slopes possibly between or above fog layers. Tending to gradually thin, some breaks to tops.
20% rising to 60% afternoon
Glimpses of sun developing, becoming sunnier afternoon. Hazy or misty start, improving visibility with time.
8 or 9C.
Above the summits
Eryri / Snowdonia National Park
Saturday 11th October 2025
Last updated
Wed 8th Oct 25 at
4:30PM
Variable 10mph or less.
Small
No rain expected
Fog or low cloud banks, tops likely clear
Varied fog from dawn, mostly low to mid-terrain, higher tops likely above an inversion. Patchy cloud banks drift higher up during morning into middle of day, but high summits may well remain clear.
70%
Mix of cloud and sun; highest summits may be sunny all day in very clear air. Some haze or mist lower down.
7 to 9C; little change with height in morning, some lower slopes start cooler.
Above the summits
High pressure becomes established over the British Isles into the weekend, bringing quiet, dry weather conditions which continue into next week. Westerly winds prevail in northern Scotland into Saturday, then light winds across the Highlands for several days onward. Easterly winds are expected to increase with time next week for England and Wales. Scope for inversion conditions this weekend and early next week with some valley fog and varied low cloud. Pleasant daytime temperatures, some cooler nights with slight frost where skies are clear.