Snowdonia National Park Forecast

The Snowdonia National Park.

Viewing Weather Forecast for Tuesday 28th April 2015
Forecast last updated on Monday 27th April 2015 at 4:25pm

Summary for all mountain areas

A showery day for most regions, most frequent precipitation on western mountains, falling as snow or hail to low levels. Gusty and squally winds. Risk of lightning.

Headline for Snowdonia National Park

Squally winds. Snow and hail showers. Tops occasionally clear.

How windy? (On the summits)

West becoming southwesterly, 35mph, perhaps nearer 40mph at dawn, gusts 50mph near showers. By late afternoon and evening, risk increasing markedly toward 50mph, gusts 60mph.

Effect of wind on you?

Widespread considerable buffeting, at times difficult walking conditions. Severe wind chill.

How Wet?

Occasional showers

Dry for many hours, but a scattering of heavy showers may develop, particularly by afternoon. Snow on higher areas above about 500 or 600m. Risk hail and isolated thunder.

Cloud on the hills?

Intermittently covering higher areas

Quickly varying cloud base, often clearing to or sometimes above higher tops, particularly morning. But near precipitation patches below 700m.

Chance of cloud free summits?


Sunshine and air clarity?

Bright sunshine, most widespread morning. Excellent or superb visibility away from showers.

How Cold? (at 900m)

-1 or -2C; but may feel colder than -15C where directly exposed to strongest winds.

Freezing Level

600 rising to 800m, but may drop during precipitation. Slight frost in valleys after dawn.

Planning Outlook

All mountain areas of Britain from Wednesday 29th April 2015

Remaining cold until the end of the week. Showers of snow and hail, at times merging into longer periods of precipitation will continue through Wednesday and Thursday. Away from showers visibiliity will be excellent or superb. Toward the weekend, indications favour unsettled, although less cold conditions.

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