Snowdonia National Park Forecast

The Snowdonia National Park.

Viewing Weather Forecast for Friday 29th August 2014

Today | Saturday | Sunday

Forecast last updated on Thursday 28th August 2014 at 3:41pm

Summary for all mountain areas

Widely windy, wet and many summits shrouded in cloud, with worst conditions on western mountains. However, less wet southern mountains in Wales - and far northwest of Scotland, where there will be a lull in the wind.

Headline for Snowdonia National Park

Upland gales; extensive rain, particularly west.

How windy? (On the summits)

Southwest or westerly 40mph to perhaps 45mph for a few hours Snowdon range.

Effect of wind on you?

Considerable buffeting across the mountains; and general mobility often difficult on higher areas.

How Wet?

Rain, most constant west

Rain frequent, particularly western mountains where it will fall most of the day and be intermittently heavy. Will gradually ease toward evening.

Cloud on the hills?

Extensive.

Cloud widely across the mountains, to lower slopes western hills, but most cloud above 500m and occasionally 750m well inland.

Chance of cloud free summits?

Almost nil west to 20% east

Sunshine and air clarity?

Very little if any sunshine. Fog extensive, particularly western mountains.

How Cold? (at 900m)

8 to 10C, highest east

Freezing Level

Above summits

Planning Outlook

All mountain areas of Britain from Saturday 30th August 2014

Mixed weather until Monday, but from Tuesday onwards little if any rain, and from the south becoming very warm with extensive sunshine across most or all mountain areas. This weekend, Sunday will be the best day with light wind, and just a few showers in Scotland. Cloud will lift off most summits. An east to west split on Saturday with rare showers and cloud base lifting on eastern mountains, but in the west cloud will shroud most tops and particularly in W Scotland showers will be frequent. Substantially dry W Wales.

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