Snowdonia National Park Forecast
The Snowdonia National Park.
Viewing Weather Forecast for Saturday 23rd May 2015
Forecast last updated on Friday 22nd May 2015 at 3:56pm
Summary for all mountain areas
Many mountain areas fine with light winds as a ridge of high pressure moves slowly east. But deteriorating slowly from west in afternoon across western Scotland, and in evening close to Irish Sea as winds strengthen, cloud lowers and mainly W & NW Highlands, rain develops.
Headline for Snowdonia National Park
Dry. Cloud clearing the summits; light wind.
How windy? (On the summits)
Direction will vary, less than 10mph. From afternoon southwesterly, reaching 15 or perhaps 20mph Snowdon range evening.
Effect of wind on you?
Rain not expected
Cloud on the hills?
Very little by late morning
Mountains may be shrouded extensively for several hours after dawn. Gradually the cloud will lift and break: summits free of cloud by late morning. Cloud will begin to reform westernmost slopes toward dusk.
Chance of cloud free summits?
Greater than 90% by late morning
Sunshine and air clarity?
Patchwork of sunshine developing by midday. Excellent visibility.
How Cold? (at 900m)
Above the summits.
All mountain areas of Britain from Sunday 24th May 2015
A series of weak fronts will progress southeast around an area of high pressure lying southwest of Britain. The result will be intermittent low cloud shrouding mainly western mountains and rain from time to time, mainly W & NW Highlands. Still intermittently cold enough for snow highest Scottish tops. Still chilly and generally wetter late next week, and as area of low pressure moves gradually toward northern Scotland.