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?


How Wet?

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.

Freezing Level

Above the summits

Planning Outlook

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.

In association with
Mountaineering Council of Scotland sportscotland Association of Mountaineering Instructions