Snowdonia National Park Forecast

The Snowdonia National Park.

Viewing Weather Forecast for Wednesday 29th April 2015
Forecast last updated on Tuesday 28th April 2015 at 4:25pm

Tomorrow | Thursday | Friday

How windy? (On the summits)

West to southwesterly, 25 to 30mph, may strengthen toward 35mph late afternoon. Squally gusts toward 45mph during heavy precipitation.

Effect of wind on you?

Significant wind chill. Sudden strong gusts and there may be buffeting on higher areas.

How Wet?

Occasional snow/hail showers; isolated lightning

Overnight rain (snow above 400m) should clear south-east by dawn. Then scattered showers developing, most widespread afternoon; hail and isolated risk thunder. Snow may briefly settle to as low as 500m.

Cloud on the hills?

Tops often clear

Most tops soon clear, with early fragments of low cloud soon breaking up. Patches of cloud likely to form above 500m in any heavier showers.

Chance of cloud free summits?

80%

Sunshine and air clarity?

Bright sunshine and excellent or superb visibility away from showers, but risk temporarily very poor due to cloud and snow.

How Cold? (at 900m)

Around 0 or -1C

Freezing Level

800m but may fall to 600m in showers.

Planning Outlook

All mountain areas of Britain from Thursday 30th April 2015

Remaining cold for late April until the end of the week. Fewer showers across Scotland by Thursday, although heavy bursts likely across the Pennines for a few hours. Away from showers visibility will be excellent or superb. Dry for most on Friday. By the May Day weekend and into early next week, becoming less cold, with freezing levels rising from the south. However, periods of upland gales are expected, and belts of rain are likely to spread from the south and south-west.

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