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.

Monday's Forecast

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Click here to download the latest PDF Last Updated Sun 28th Jun 26 at 4:00PM
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Viewing Forecast For

Brecon Beacons
Monday 29th June 2026
Last updated Sun 28th Jun 26 at 4:00PM

Summary for all mountain areas

Southwesterly breezes, strongest in the morning. Cloud covering many western hills, some drizzly rain and light showers, mostly western Scotland. Cloud higher and more broken toward east. Some improvements in the west as cloud base rises, some breaks forming afternoon. Rain develops from west into night.

Headline for Brecon Beacons

Breezy, easing. Often dry, low cloud tending to lift.

How windy? (On the summits)

West turning southwesterly, 20-25mph dawn to early morning, easing to 10-15mph by middle of day into afternoon, freshening a little from west, later southerly 20mph, or 25mph up to dusk in west.

Effect of the wind on you?

Ease of walking impacted in exposure early, easing to fairly small effects. Later in day feeling more blustery in west.

How Wet?

Mostly dry, odd light spots

From dawn, a few spots of rain drifting onto western areas, amounting to little and more often widely dry. Low chance of an isolated light shower afternoon. Later evening, some patchy rain mainly in west.

Cloud on the hills?

Lifting to largely above tops

From dawn, variable banks of cloud at multiple elevations, the most extensive cloud on southwestern slopes. Through morning, lifting with breaks forming, largely above the summits afternoon.

Chance of cloud free summits?

50% rising to 80%

Sunshine and air clarity?

A patchwork of cloud and sunshine, some variable thin high cloud around. Very good visibility.

How Cold? (at 750m)

10C rising to 13C afternoon. Feeling like 3C on high tops in strongest wind in morning.

Freezing Level

Above the summits.

Viewing Forecast For

Brecon Beacons
Tuesday 30th June 2026
Last updated Sun 28th Jun 26 at 4:00PM

How windy? (On the summits)

South then southwesterly, 20 to 25mph, occasional 30mph on high tops; later shifting westerly.

Effect of the wind on you?

Feeling blustery and cool over higher mountains. In places gusts may affect balance on exposed terrain.

How Wet?

Rain and showers, some heavy

Patchy rain and showers for much of the day, more frequent for periods in west, some heavy bursts tending to drift eastwards. Tending to clear from west Wales later in day.

Cloud on the hills?

Fairly extensive

Shrouding most high terrain all day, varying bases around rain, some ragged patches to lower slopes. Local breaks higher up mainly in eastern mid-Wales.

Chance of cloud free summits?

20%

Sunshine and air clarity?

Generally cloudy, a little weak sun mainly morning in east, then late in day west. Visibility often reduced by rain, poor for periods; intermittently very good if dry.

How Cold? (at 750m)

10 or 11C, little variation all day. Feeling close to 0C directly in the wind.

Freezing Level

Above the summits.

Viewing Forecast For

Brecon Beacons
Wednesday 1st July 2026
Last updated Sun 28th Jun 26 at 4:00PM

How windy? (On the summits)

Westerly 15-20mph in morning, then strengthening southwesterly, to 25-30mph afternoon, later risk 40-45mph.

Effect of the wind on you?

Fairly small in the morning, but becoming more blustery, walking uncomfortable later, possibly arduous in exposure.

How Wet?

Chance of rain late in day

Generally dry much of the day, except for an odd isolated shower. Toward evening, possibility of patchy rain developing, may amount to very little.

Cloud on the hills?

Varied in morning, mostly lifting

Cloud banks mostly higher and western hills in the morning, may cover some mid slopes for a time. Lifting higher and breaking from most tops into afternoon.

Chance of cloud free summits?

30% rising to 80%

Sunshine and air clarity?

Patchwork of cloud and sun, giving way to high cloud moving in from west later. Visibility excellent.

How Cold? (at 750m)

9 or 10C, little variation all day. Feeling near or possibly below freezing on high tops as wind increases later.

Freezing Level

Above the summits.

Planning Outlook

A changeable westerly Atlantic pattern dominates this week. Western hill groups from Lakeland northward will see the most cloud and rain, while east and southern areas are drier and sunnier. A spell of stronger winds and more widespread rain likely develops later Wednesday to early Thursday. Possibly another windy and wetter spell into Friday. A rather cool and windy westerly pattern is likely to continue into next weekend with showery rain. Drier and warmer conditions are indicated into the week of 5th July, though southwesterlies may still bring more cloud to the west, some rain in northwest Scotland.