Follow MountainWeather on Twitter
Follow MWIS on Facebook

Snowdonia National Park

If you'd like to sponsor this forecast and reach the thousands of hillwalkers and climbers that visit mwis.org.uk every day, please contact us!

Select forecast - Today / Tuesday / Wednesday


Viewing forecast for Monday, 21st April, 2014

Forecast last reviewed on Sunday, 20/04/14 at 21:44


Click here to access the PDF version of the forecast.




Summary for all mountain areas

Extensive low cloud on eastern hills and mountains will lift and break only slowly during Monday. Most mountain regions remain dry, although risk of showers Wales & southern Pennines. Locally strong winds and sudden gusts N England/S Scotland.


Headline, Snowdonia National Park

Blustery on tops. Low cloud lifting. Later risk heavy showers.


How Windy?

East or southeasterly, in the range 20 to 35mph.

Effect Of Wind?

May impede ease of walking on higher areas.


How Wet?

Risk heavy showers later

Patchy rain and drizzle, with the occasional heavier burst developing, most likely late afternoon and evening.


Cloud on the hills?

Extensive low cloud; slowly breaking

A layer of low cloud covering the hills, extensively at first, but slowly lifting and breaking towards 700-900m, although may not lift above 600m eastern areas.

Chance of cloud free Summits?

10% morning; later 50%

Sunshine and air clarity?

A little sun in the north-west otherwise unlikely. Hazy, with fog on the hills in the south and east.


How Cold? (at 900m)

6C rising to 9C.

Freezing level

Above the summits.


Planning Outlook for all mountain areas from Tuesday, 22nd April, 2014

Wind speeds often low over the next 7 days. Rain from time to time next week, sometimes thundery, but often dry, fairly warm, with sunniest, driest, and often warmest weather over the W & NW Highlands. Low cloud and patchy drizzly rain persists on eastern hills on Tuesday.


Site managed, edited and copyright mwis.org.uk