Snowdonia National Park
Includes all summits in the the northern half of Wales from Plynlimon northwards.
Viewing Forecast For
Snowdonia National Park
Friday 29th May 2020
Last updated
Thursday 28th May 2020 at
12:42 PM
Summary for all mountain areas
Sunshine dawn til dusk in many areas, and becoming very warm, some valleys exceeding 25C by afternoon; beware sunburn and dehydration. Some thin high level cloud, which may build a little further in the afternoon in western Scotland.
Headline for Snowdonia National Park
Sunny and warm. Locally gusty.
How windy? (On the summits)
Southeasterly 15 to locally 25-30mph.
Effect of the wind on you?
May impede walking at times across higher slopes with some sudden gusts running downslope.
How Wet?
No rain
Cloud on the hills?
Widely clear
Chance of cloud free summits?
Practically certain
Sunshine and air clarity?
Extensive strong sunshine. Visibility excellent.
How Cold? (at 900m)
11 lifting to 13C
Freezing Level
Above the summits.
Viewing Forecast For
Snowdonia National Park
Saturday 30th May 2020
Last updated
Thursday 28th May 2020 at
12:42 PM
How windy? (On the summits)
East to southeasterly, 10 to 15mph; sometimes locally 20-25mph.
Effect of the wind on you?
Mostly small; some gusty areas.
How Wet?
No rain
Cloud on the hills?
Widely clear
Chance of cloud free summits?
Almost certain
Sunshine and air clarity?
Extensive strong sunshine. Excellent visibility.
How Cold? (at 900m)
12 to 14C.
Freezing Level
Above the summits.
Viewing Forecast For
Snowdonia National Park
Sunday 31st May 2020
Last updated
Thursday 28th May 2020 at
12:42 PM
How windy? (On the summits)
East or southeasterly, 10 to 20mph.
Effect of the wind on you?
Mostly small, but locally gusty.
How Wet?
No rain
Cloud on the hills?
Widely clear
Chance of cloud free summits?
Practically certain
Sunshine and air clarity?
Extensive strong sunshine. Excellent visibility; local mist patches some valleys after dawn.
How Cold? (at 900m)
10C lifting to 12C.
Freezing Level
Above the summits.
Planning Outlook
Very warm through this weekend with strong sunshine. Frequently dry conditions prevailing into early June as high pressure stays close to the British Isles. Northerly air masses will see temperatures tend to lower with time, with more cloud and occasional showers forming locally. Very dry underfoot in most areas. Please be aware of currently different restrictions regarding Covid-19 across Scotland, England & Wales. Refer to local guidance or instructions from the National Parks and outdoor bodies, and please respect local communities in areas which are gradually reopening. See mwis.org.uk/blog for latest information and links.