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Brecon Beacons Forecast

Brecon Beacons

Includes all higher summits in the southern half of Wales: the Bannau Brycheiniog / Brecon Beacons National Park, southern Cambrian Mountains and highest Preseli hills.

Saturday's Forecast

Moderate breeze, fairly small impact, but chilly
Snow flurries
Clear
Cold

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Click here to download the latest PDF Last Updated Fri 26th Apr 24 at 3:05PM Last Updated Fri 26th Apr 24 at 3:05PM
View our low-graphics version Last Updated Fri 26th Apr 24 at 3:05PM Last Updated Fri 26th Apr 24 at 3:05PM

Viewing Forecast For

Brecon Beacons
Saturday 27th April 2024
Last updated Fri 26th Apr 24 at 3:05PM

Summary for all mountain areas

Continuing cold with higher areas below freezing point, particularly in the morning. Showers, mostly hail flurries developing, becoming frequent NW Scotland. Noticeable wind chill Wales. Very clear air.

Headline for Brecon Beacons

Fairly light wind. Cold. Showers: may become frequent late in day.

How windy? (On the summits)

Easterly 15mph but 20mph in places (not necessarily on higher slopes).

Effect of the wind on you?

Walking just beginning to be impacted and may feel uncomfortable for some. Marked wind chill in the morning.

How Wet?

Showery; risk of the rain setting in for an hour or two. Snow higher tops

A few showers or hail flurries mainly mid to late morning onwards. Threat of the precipitation more frequent for periods afternoon or evening - giving snow on highest tops.

Cloud on the hills?

May lower onto higher areas in and after precipitation

Generally patches of cloud shrouding higher slopes only intermittently in and after precipitation. Threat of the cloud more widespread later in the day, perhaps patches near 500m, most likely east Wales

Chance of cloud free summits?

60%

Sunshine and air clarity?

Occasional sunshine. Excellent visibility, although poor in precipitation.

How Cold? (at 750m)

1C at first; rising to 45C in the afternoon.

Freezing Level

800m after dawn but soon above the summits.

Viewing Forecast For

Brecon Beacons
Sunday 28th April 2024
Last updated Fri 26th Apr 24 at 3:05PM

How windy? (On the summits)

Northwest backing westerly; 15mph to perhaps for a few hours 20mph.

Effect of the wind on you?

Small.

How Wet?

Showers

From before dawn in east Wales, risk of a few hours of rain, or above 750m snow. This will clear. In afternoon, scattered showers developing, of hail higher tops.

Cloud on the hills?

Most summits clearing;

Risk from dawn persistent fog higher areas in precipitation east Wales. This will more or less all clear through morning.

Chance of cloud free summits?

80%

Sunshine and air clarity?

Patches of sunshine spreading inland; sunniest west Wales from mid afternoon. Excellent visibility generally, but poor n precipitation.

How Cold? (at 750m)

1C after dawn but extensively 5C by mid afternoon.

Freezing Level

Above the summits, although close to freezing point post dawn on Pen-y-Fan.

Viewing Forecast For

Brecon Beacons
Monday 29th April 2024
Last updated Fri 26th Apr 24 at 3:05PM

How windy? (On the summits)

Southerly between 20 and 30mph; although may reach 35mph for periods in west Wales.

Effect of the wind on you?

Will impede ease of walking widely, locally giving considerable buffeting and wind chill.

How Wet?

Rain mainly west Wales late in day

Bursts of showery rain from time to time, mainly west Wales. Through afternoon and evening, the rain may set in for a few hours (particularly west Wales).

Cloud on the hills?

Likely to become extensive particularly west Wales

Summits may be free of cloud for periods perhaps for most of the day east Wales. But in rain, cloud likely to cover higher areas, and in SW Wales form blow 450m increasingly.

Chance of cloud free summits?

30%

Sunshine and air clarity?

Weak sunshine occasionally, generally through layers of high level cloud. Very good or excellent visibility but deteriorating to become poor in rain.

How Cold? (at 750m)

3C rising to 5C.

Freezing Level

Above the summits.

Planning Outlook

Less cold next week with freezing levels almost constantly above highest summits. Rain from time to time, particularly across Wales. Wind direction will be predominantly easterly. This will bring in frequent low cloud to more eastern mountains, with highest cloud base often near the west coast.