Snowdonia National Park Forecast

The Snowdonia National Park.

Viewing Weather Forecast for Saturday 18th April 2015
Forecast last updated on Saturday 18th April 2015 at 3:29pm

Today | Sunday | Monday

Summary for all mountain areas

Blustery only on the mountains of Wales (mainly mid and south). Dry with extensive bright sunshine, although cloud will tend to fill in in afternoon. The air should be very clear indeed - so superb visibility.

Headline for Snowdonia National Park

Light wind; sunshine developing from west - beware sunburn.

How windy? (On the summits)

Easterly, 20 to 30mph; strongest mid-Wales.

Effect of wind on you?

Will locally impede ease of walking, and feel rather cold where exposed to wind.

How Wet?

No rain

Cloud on the hills?

Hills widely clear by late morning

Banks of cloud, base 500m eastern aras will gradually lift and mostly or all break up through the morning. Little if any western hills.

Chance of cloud free summits?

Greater than 90%, but 20% east until late morning

Sunshine and air clarity?

Sunshine, particularly west; banks of cloud east. The cloud may fill in across region afternoon. Excellent visibility.

How Cold? (at 900m)

2 rising to 6C; but 0 or -1C where is cloud morning.

Freezing Level

Above the summits by midday. Slight frost some valleys around dawn.

Planning Outlook

All mountain areas of Britain from Sunday 19th April 2015

High pressure will dominate the weather over the next week. Winds will be light. Rain, if any, will be rare, sunshine extensive - although were it forms cloud banks will drift on only slowly. Frequently the air very clear giving excellent or superb visibility. Although often warm by day (particularly into next week), snow melt will be slow. There is just the risk of a front bringing temporarily stronger winds and low cloud to NW Scotland into Tuesday, but otherwise it may well be toward next weekend before the weather breaks.

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