Snowdonia National Park Forecast
The Snowdonia National Park.
Viewing Weather Forecast for Tuesday 26th May 2015
Forecast last updated on Tuesday 26th May 2015 at 10:19am
Summary for all mountain areas
Widespread low cloud will gradually clear most mountain areas from the north after a weak front passes through. However, low cloud will rarely clear higher areas of the W & NW Highlands. Cold and windy Scottish Highlands.
Headline for Snowdonia National Park
Low cloud: clearing into the afternoon.
How windy? (On the summits)
Northwesterly 15 to 20mph, perhaps occasionally 25mph higher summits Snowdon range.
Effect of wind on you?
Little if any rain
Substantially dry, but until early afternoon threat of a few patches of drizzle, most likely Snowdon range.
Cloud on the hills?
May break up
Cloud sheet, base 500 to 700m, with patches on lower slopes near the coast. Gradually, around the middle of the day, the cloud will lift and break. By mid, possibly late afternoon, most or all summits very likely free of cloud.
Chance of cloud free summits?
10% morning, to 80% by mid-afternoon
Sunshine and air clarity?
Occasional sunshine, although increasingly sunny afternoon. Widely foggy higher areas morning, but then excellent visibility.
How Cold? (at 900m)
6; rising to 8C well inland.
Above the summits
All mountain areas of Britain from Wednesday 27th May 2015
Generally deteriorating this week as areas of low pressure come in off the Atlantic, bringing areas of rain, and more widely, heavy showers. It will frequently be cold with fresh snow intermittently Scottish Highlands. There are strong indications of a reversal next week, with pressure gradually building in the vicinity of Britain, to bring fine, warm weather later in the week.