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Eryri / Snowdonia National Park Forecast

Eryri / Snowdonia National Park

Includes all summits in the the northern half of Wales from Pumlumon northwards.

Today's Forecast

Light wind, negligible impact
Mostly dry, partly cloudy

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Click here to download the latest PDF Last Updated Thu 4th Jul 24 at 4:22PM Last Updated Thu 4th Jul 24 at 4:22PM
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Viewing Forecast For

Eryri / Snowdonia National Park
Friday 5th July 2024
Last updated Thu 4th Jul 24 at 4:22PM

Summary for all mountain areas

Drizzle and showers in Scotland, windy in the morning. Central and East Highlands some sunshine, sunniest in Southern Uplands. Lakes and Pennines often sunny and mostly dry. After cloudy morning becoming sunny in Wales, especially in the north. Toward Brecon Beacons some rain morning and evening.

Headline for Eryri / Snowdonia National Park

Dry, cloudy start, later longer sunny spells

How windy? (On the summits)

Westerly 10 to 20mph.

Effect of the wind on you?

Small.

How Wet?

Patchy rain south early morning

Most likely dry north of Blaenau Ffestiniog, in the south early morning drizzle and patchy rain late evening, during the day likely dry.

Cloud on the hills?

Hills mostly clear

Clouds on some hills in the morning, soon dissipating and clearing most tops.

Chance of cloud free summits?

80%

Sunshine and air clarity?

Sun through clouds in the morning, later strong sunshine, becoming cloudier toward the evening. Excellent visibility.

How Cold? (at 900m)

Around 7C afternoon, feeling a bit colder in the afternoon due to wind chill effect

Freezing Level

Above the summits.

Viewing Forecast For

Eryri / Snowdonia National Park
Saturday 6th July 2024
Last updated Thu 4th Jul 24 at 4:22PM

How windy? (On the summits)

Westerly 15 to 25mph, gusting 40mph on highest tops.

Effect of the wind on you?

Blustery, affecting stability, gusts may throw you off balance especially on exposed ridges. Feeling chilly.

How Wet?

Often persistent rain

Continuous rain on most hills, especially by the western coast. Toward the east more breaks in the afternoon but also wet in general.

Cloud on the hills?

Hills covered extensively

Higher tops (above approx. 800m) most likely all day in clouds, lower slopes clearing at times especially toward the east.

Chance of cloud free summits?

30%

Sunshine and air clarity?

Generally overcast, a few breaks possible afternoon. Visibility likely poor.

How Cold? (at 900m)

5 to 7C, feeling below 0C in wind

Freezing Level

Above the summits

Viewing Forecast For

Eryri / Snowdonia National Park
Sunday 7th July 2024
Last updated Thu 4th Jul 24 at 4:22PM

How windy? (On the summits)

Westerly 10 to 20mph.

Effect of the wind on you?

Small.

How Wet?

Morning rain west, later widely showers

Frequent or persistent rain on most hills, mostly light in the morning, in the afternoon possible heavy bursts. Toward mid Wales likely dry morning but showery afternoon. Becoming generally dry toward the evening.

Cloud on the hills?

Extensively covered in the west

Extensive cloud cover in the morning, slowly lifting during the day, clearing most hills away from the coast but Snowdon massif and Meirionnydd in clouds most of the day. Perhaps improving in the evening.

Chance of cloud free summits?

10% rising to 50%

Sunshine and air clarity?

Little to no sunshine most of the day, best chance toward the east. Improving in the evening from the west. Poor visibility on higher hills.

How Cold? (at 900m)

6 to 8C

Freezing Level

Above the summits

Planning Outlook

During the weekend often wet in Scotland, better toward northern England, drizzle common on western coast of Britain. Saturday rain in Highlands and Pennines, Sunday mostly dry start but widespread showers in the afternoon maybe some heavy bursts. Monday better in the north, moist low closing to Welsh hills and Peak District. With flat pressure distribution uncertain development further, most likely sunny spells but afternoon locally shower developing.