Snowdonia National Park

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

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Viewing Forecast For

Snowdonia National Park
Thursday 7th July 2022
Last updated Wed 6th Jul 22 at 5:02PM

Summary for all mountain areas

Scotland: Low cloud extensive west/northwest Highlands with drizzle toward west coast; more widely developing western hills later. Cloud breaking up to sunshine in the east. England and Wales: Low cloud and patchy drizzle mostly clearing to sunshine, but may linger some western hills.

Headline for Snowdonia National Park

Early low cloud and patchy drizzle clearing with sunshine breaking through.

How windy? (On the summits)

Northerly typically 15mph, perhaps 20mph at times Snowdon range.

Effect of the wind on you?

Small

How Wet?

Risk pockets drizzle Snowdon range

All or nearly all areas dry. But risk western and northernmost slopes north of Lleyn peninsula of patches of fine drizzle.

Cloud on the hills?

All or nearly all clearing

Initially very varied: fog may well cover some areas from lower slopes upward, whilst other areas have breaks to higher slopes. From late morning, most areas cloud free, but western Snowdon range and Carneddau may have cloud above 200-400m coming and going.

Chance of cloud free summits?

20% lifting to 70%

Sunshine and air clarity?

Sunshine will break through extensively and haze thin to give visibility excellent. However, perhaps dull slopes toward the coast Snowdon range.

How Cold? (at 900m)

13C afternoon, although a few degrees colder where in cloud.

Freezing Level

Above the summits.

Viewing Forecast For

Snowdonia National Park
Friday 8th July 2022
Last updated Wed 6th Jul 22 at 5:02PM

How windy? (On the summits)

West to northwesterly 10 to 15mph, at times 20mph.

Effect of the wind on you?

Mostly small

How Wet?

Substantially or completely dry

Occasional drizzle possible for a few hours from dawn. However, as cloud breaks up, any drizzly showers will clear.

Cloud on the hills?

Fairly extensive, but bases lifting to tops.

Fairly extensive cloud covering the hills from dawn, bases around 500-700m. However, through morning bases will lift and break and become confined to tops.

Chance of cloud free summits?

40%

Sunshine and air clarity?

Mostly cloudy, some glimpses of sun, and perhaps more widely inland later. Murky start, but visibility becoming mostly good.

How Cold? (at 900m)

13C

Freezing Level

Above the summits

Viewing Forecast For

Snowdonia National Park
Saturday 9th July 2022
Last updated Wed 6th Jul 22 at 5:02PM

How windy? (On the summits)

Northwesterly 15 to 20mph at first, then easing to 10mph or less.

Effect of the wind on you?

Soon becoming small

How Wet?

Mostly dry

Isolated fine drizzle possible western hills in low cloud, mostly morning.

Cloud on the hills?

Early low cloud mostly clearing.

Murky start with areas of low cloud. Progressively low cloud will break up and lift in morning, so hills clear in the afternoon. Patches may linger near coast.

Chance of cloud free summits?

20% lifting to 60%

Sunshine and air clarity?

Cloudy start, sun progressively breaking through. Visibility becoming good or very good.

How Cold? (at 900m)

10C lifting to 13C

Freezing Level

Above the summits

Planning Outlook

Persistent high pressure off SW Britain will bring extensive dry weather to and through next weekend, although in western Scotland, with the wind off the sea, often cloudy and fronts may bring rain on Sunday. On western mountains the cloud will bring persistent fog until Friday, even to lowest slopes near the coast. However, remaining murky toward west coast of Scotland with further drizzle at times.