Snowdonia National Park Forecast

The Snowdonia National Park.

Viewing Weather Forecast for Saturday 25th April 2015
Forecast last updated on Friday 24th April 2015 at 4:27pm

Today | Sunday | Monday

Summary for all mountain areas

A band of rain, turning increasingly to snow on higher areas of southern Scotland and northern England will edge slowly south. Brightening skies for much of Scotland, allowing many tops to clear. Showers in the far north-west; risk lightning. Blustery winds will give noticeable wind chill for many areas.

Headline for Snowdonia National Park

Blustery morning; chilly wind. Rain, most persistent afternoon.

How windy? (On the summits)

Southwesterly, 25 to 35mph during morning, easing slowly to 20mph by afternoon, then veering north to northwesterly toward dusk.

Effect of wind on you?

Considerable buffeting in morning. Significant wind chill on higher areas.

How Wet?

Rain increasingly frequent

Pulses of rain, most widespread by afternoon, at times heavy, and may merge into constant precipitation over several hours. Late in the day may turn to sleet on highest northern tops.

Cloud on the hills?

Widespread low cloud

The hills likely to be extensively cloud covered throughout the day, lowest bases toward west; fragments locally from lowest slopes up during precipitation. Late in the day, may slowly break up from the north.

Chance of cloud free summits?

10% until late in day.

Sunshine and air clarity?

Little if any sun. Hazy; extensive fog on hills. Visibility very poor due to rain.

How Cold? (at 900m)

3C dropping to 0 or -1C late in the day; where directly exposed to strongest wind, may feel like minus 10 Celsius.

Freezing Level

Above the summits, but dropping from north, perhaps as low as 600m during precipitation by late afternoon.

Planning Outlook

All mountain areas of Britain from Sunday 26th April 2015

Continued very cold conditions for late April through Sunday and well into the new week. Most precipitation falling as snow or hail, often to very low levels, commonly in the form of heavy showers. Upland winds intermittently reaching gale force, causing severe wind chill.

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