Snowdonia National Park Forecast

The Snowdonia National Park.

Viewing Weather Forecast for Wednesday 7th October 2015
Forecast last updated on Wednesday 7th October 2015 at 6:56am

Today | Thursday | Friday

Summary for all mountain areas

Rain and low cloud in east & north-east of Scotland, persisting most of the day. Elsewhere, rain will clear slowly from the west, with clouds increasingly breaking up, leaving most western mountains clear. Winds varied, but some areas may see winds strengthen for a while. Clear and cold many ranges tonight with local ground frost.

Headline for Snowdonia National Park

Breezy; rain & low cloud soon clears.

How windy? (On the summits)

West to northwesterly, 25 to 30, risk sudden low level gusts around 40mph, strongest winds early in day.

Effect of wind on you?

Some buffeting for a while exposed slopes but tending to become small.

How Wet?

Rain clearing, dry afternoon

Intermittent rain and drizzle early morning, risk local heavy bursts, but soon tending to break up and clear from the west, and staying dry afternoon and evening.

Cloud on the hills?

Mostly all clearing during morning

Extensive most hills at first, but soon breaking up from west and the base lifting. Fragments of cloud may come and go some higher tops, but many hills likely often clear by late morning onward.

Chance of cloud free summits?

20% early morning; 80% afternoon.

Sunshine and air clarity?

Patchwork of sunshine developing. Some fog higher areas, but visibility soon becoming very good or excellent.

How Cold? (at 900m)

8C soon falling to 4C.

Freezing Level

Above the summits.

Planning Outlook

All mountain areas of Britain from Thursday 8th October 2015

Pressure will build across England and Wales on Thursday & Friday - the high then becoming centred toward the north & east into early next week, giving mainly fair conditions for several days ahead, but some areas of low cloud and drizzle. Complications still surround ex-Hurricane Joaquin this weekend, but the main impact from this system is likely to be an increased south-easterly wind, risk up to gale force on the mountains. Tending to become colder through next week.

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