Snowdonia National Park Forecast

The Snowdonia National Park.

Viewing Weather Forecast for Thursday 2nd July 2015
Forecast last updated on Wednesday 1st July 2015 at 1:49pm

Today | Friday | Saturday

Summary for all mountain areas

The remnants of a front will make erratic progress northeastwards, bringing areas of low cloud and mainly over England and Wales a few thunderstorms. However, away from western mountains there are likely to be dry periods with low cloud breaking up.

Headline for Snowdonia National Park

Risk thunderstorms; areas of low cloud, mainly west.

How windy? (On the summits)

South or southwesterly, 10 to perhaps temporarily 20mph middle of day.

Effect of wind on you?


How Wet?

Pockets drizzle west; small thunderstorm risk.

Pockets of drizzle, mainly morning and middle of day. A few patches of heavier rain and possibly a thunderstorm before becoming dry from west into the afternoon.

Cloud on the hills?

Low cloud lifting inland

Widespread low cloud morning, lowest base westernmost slopes. This will then gradually lift, perhaps above most summits by mid-afternoon. However, near the coast, may only temporarily clear, with cloud remaining extensive across the hills.

Chance of cloud free summits?

30%; rising to 70% inland through afternoon

Sunshine and air clarity?

Sunshine increasingly breaking through afternoon, mainly inland. og frequently to low levels west, but otherwise visibility often very good.

How Cold? (at 900m)

11 to 14C; highest east.

Freezing Level

Above the summits.

Planning Outlook

All mountain areas of Britain from Friday 3rd July 2015

Very warm and widely sunny on Friday, before a broad band of thundery weather moves north across Britain Friday night and Saturday. Further rain western Scotland on Sunday, just a few showers elsewhere - and everywhere a significant drop in temperature. Further rain from time to time early next week, most rainfall will continue to be across western Scotland. Intermittently warm on the hills over England and Wales.

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