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.

Today's Forecast

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Click here to download the latest PDF Last Updated Sun 23rd Mar 25 at 4:08PM
View our detailed version Last Updated Sun 23rd Mar 25 at 4:08PM

Viewing Forecast For

Brecon Beacons
Monday 24th March 2025
Last updated Sun 23rd Mar 25 at 4:08PM

Summary for all mountain areas

Westerly winds strengthening, reaching gale force over tops in the Highlands. Rain moves into northwest Scotland, setting in heavier during afternoon; patchy rain extending southeastwards later. Dry all daylight for England, Wales and southern Scotland, with good amounts of sunshine.

Headline for Brecon Beacons

Light winds middle of day. Dry with sun and broken cloud.

How windy? (On the summits)

Northerly 15 to 20mph in morning, easing to 10-15mph by middle of day, turning northwesterly; by dusk up to 20mph.

Effect of the wind on you?

Mostly small.

How Wet?

Rain very unlikely

Chance an isolated pocket of drizzle east Wales early morning.

Cloud on the hills?

Mostly very little, early patches clearing

Patchy banks of low cloud early in day on eastern hills above 400-600m. Lifting to upper slopes and soon largely dispersing. Many hills largely clear all day.

Chance of cloud free summits?

60% rising to 90%

Sunshine and air clarity?

Patchwork of sun - locally dull easternmost hills at first. Excellent visibility.

How Cold? (at 750m)

3C rising to 6C.

Freezing Level

Above the summits.

Viewing Forecast For

Brecon Beacons
Tuesday 25th March 2025
Last updated Sun 23rd Mar 25 at 4:08PM

How windy? (On the summits)

Northwesterly 20 to 25mph.

Effect of the wind on you?

Fairly small, but feeling blustery and cool where exposed around higher tops.

How Wet?

A little rain in morning

Patchy rain and drizzle during the morning, mainly western Cambrians. Fizzling out to be largely dry. Little if any rain reaching areas toward southeast.

Cloud on the hills?

Covering hills, lowest west, breaking

Shrouding the hills above 500 to 600m from dawn, lowest toward Cardigan Bay, some higher breaks toward the east. Cloud lifting and breaking widely afternoon.

Chance of cloud free summits?

20% rising to 70%

Sunshine and air clarity?

Largely cloudy morning, but some sun breaking through during afternoon. Visibility mostly good, later very good.

How Cold? (at 750m)

4 to 7C. Wind chill feeling near/just below freezing.

Freezing Level

Above the summits

Viewing Forecast For

Brecon Beacons
Wednesday 26th March 2025
Last updated Sun 23rd Mar 25 at 4:08PM

How windy? (On the summits)

Southwesterly, strengthening 20 to 30mph.

Effect of the wind on you?

Becoming increasingly blustery, starting to affect comfortable walking on exposed higher areas.

How Wet?

Rain not expected

Cloud on the hills?

Mostly clear, brief patches

Mist patches some valleys and lower hill slopes at first, briefly may drift upslope, mainly south and western areas, but likely all dispersing.

Chance of cloud free summits?

80%

Sunshine and air clarity?

Some sun through thin high cloud. Visibility very good.

How Cold? (at 750m)

5 to 7C. Wind chill feeling near -5C as speeds increase.

Freezing Level

Above the summits; possible slight frost some valleys at dawn.

Planning Outlook

A mixed westerly regime for the next week to ten days - fronts coming in from the west bringing spells of rain, interspersed with better days under ridges of high pressure. Rain most frequent in western Scotland. Frequently windy, periods of gale force wind over the mountains. Temperature varied, sometimes just below freezing on higher Scottish summits, with some showers of snow at times on the Munros - chillier more widely by Friday into Saturday as wind turns northwesterly for a time.