Snowdonia National Park Forecast

Also includes higher summits south to Plynlimon.

Viewing Weather Forecast for Thursday 22nd February 2018
Forecast last updated on Thursday 22nd February 2018 at 7:32am

Today | Friday | Saturday

Summary for all mountain areas

Windy Scottish Highlands. Fog will shroud many higher areas morning, but by afternoon this extensive only westernmost Scotland as far north as Skye. There will be a few snow flurries from this cloud. Most terrain frozen, after a widespread frost.

Headline for Snowdonia National Park

Light wind; fog slowly clearing most or all summits.

How windy? (On the summits)

Southerly, 10 to 15mph.

Effect of wind on you?


How Wet?

Precipitation not expected

Cloud on the hills?

Extensive on higher areas morning. Will slowly lift above most or all tops

Extensive fog above 450-800m after dawn, lowest easternmost summits. There may be only fragments of cloud western summits in Snowdon range all day, whilst elsewhere, by early afternoon, nearly all cloud will be above the summits.

Chance of cloud free summits?

30% rising to greater than 90%

Sunshine and air clarity?

Sunshine, mostly western summits. Hazy, particularly lower slopes.

How Cold? (at 900m)

-2 to -4C, coldest east Wales.

Freezing Level

550 to 700m, highest west Wales. However, terrain widely frozen from valleys up after a frost. Gradual thawing lower sunlit slopes.

Planning Outlook

All mountain areas of Britain from Friday 23rd February 2018

The hills persistently sub-freezing, and most valleys below freezing point night and into the morning, over the next 7 to 10 days. Some fresh snowfall, mainly eastern mountains from Sunday or Monday, but across the west, precipitation will be negligible - and skies often clear of cloud.

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