Snowdonia National Park Forecast

Also includes higher summits south to Plynlimon.

Viewing Weather Forecast for Monday 26th September 2016
Forecast last updated on Monday 26th September 2016 at 7:21am

Today | Tuesday | Wednesday

Summary for all mountain areas

A cool day overall, with a fresh breeze most areas. A few showers in western Scotland, but the north & eastern Highlands will be largely dry. A complex zone of rain and low cloud spreads across N England & S Scotland during morning. Heavy rain intermittently, mainly Wales.

Headline for Snowdonia National Park

Cool breeze. Frequent rain, low cloud west.

How windy? (On the summits)

South to southwesterly, 20 increasing to 25 then 30mph. During evening, risk 40mph.

Effect of wind on you?

Fairly small for many hours, but walking increasingly impeded across higher areas.

How Wet?

Rain setting in west

Rain frequent through the day, setting in for several hours and heaviest, western hills. Small amounts toward Berwyn mountains.

Cloud on the hills?

Extensive, lowest west

Shrouding most higher areas all day, and forming to low levels in west where rain sets in. Possible breaks above 650 to 800m in east away from rain.

Chance of cloud free summits?

10% west; 40% east.

Sunshine and air clarity?

Sunshine unlikely. Visibility reduced by rain, often foggy many higher areas.

How Cold? (at 900m)

5 to 7C

Freezing Level

Above the summits.

Planning Outlook

All mountain areas of Britain from Tuesday 27th September 2016

A changeable west to southwesterly pattern over the next week to 10 days. The strongest winds typically northern regions. The most frequent rain will be focused on western Scotland, where prolonged heavy falls may occur through Wednesday & Thursday this week. England and Wales will be more frequently dry, but some rain will affect western hills at times. Temperatures varied, fairly cool in the north, but often mild or warm in the south.

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