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
Moderate breeze, locally gusty
A noticeable breeze, feeling cool where exposed on tops. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Dry and sunny
Extensive strong warm sunshine. The mountains free of cloud once any early mist patches disperse.
Very warm
Warm conditions across the hills, rising above 17C on tops. Increasingly hot on lower terrain, reaching 25C+ in many valleys. Beware of dehydration.
Strong warm sunshine
High UV levels, feeling very warm when ascending, beware of dehydration and sunburn.
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Moderate breeze, locally gusty
A noticeable breeze, feeling cool where exposed on tops. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Dry and sunny
Extensive strong warm sunshine. The mountains free of cloud once any early mist patches disperse.
Very warm
Warm conditions across the hills, rising above 17C on tops. Increasingly hot on lower terrain, reaching 25C+ in many valleys. Beware of dehydration.
Strong warm sunshine
High UV levels, feeling very warm when ascending, beware of dehydration and sunburn.
Viewing Forecast For
Brecon Beacons
Monday 30th June 2025
Last updated
Sun 29th Jun 25 at
4:00PM
Summary for all mountain areas
Very warm and humid. Gale force southerly winds for NW Scotland at first will ease, but gusty winds strengthen elsewhere. As a front encroaches from the west across the Highlands, bursts of rain will merge into a swathe of more extensive heavy rain, possible thunder. Dry with sunshine for England and Wales, small risk local showers.
Headline for Brecon Beacons
Very warm; sunny, some coastal mist. Moderate breeze.
How windy? (On the summits)
Southerly 15 to 25mph, strongest in west, becoming gustier through afternoon.
Effect of the wind on you?
Starting to affect comfortable walking, particularly later.
How Wet?
Very likely dry
Some fine drizzle possible near coast if in cloud early morning. Most likely all day dry, but during afternoon, small chance of a very isolated burst of rain toward east mid-Wales.
Cloud on the hills?
Little or none away from coastal slopes
The mountains clear apart from brief early patches. Very low cloud / fog near to the coast in west particularly morning, tending to thin and break up, but patches may linger.
Chance of cloud free summits?
90%
Sunshine and air clarity?
Sunshine and some thin high cloud. Visibility very good, but some early haze or mist, which may linger near Pembrokeshire coast.
How Cold? (at 750m)
16C where in cloud, up to 20C particularly eastern areas; very humid. Starting to drop into the night.
Freezing Level
Above the summits
Viewing Forecast For
Brecon Beacons
Tuesday 1st July 2025
Last updated
Sun 29th Jun 25 at
4:00PM
How windy? (On the summits)
Southwesterly 10 to 15mph.
Effect of the wind on you?
Small
How Wet?
Little or no rain
Possible spots from high cloud, locally chance of an odd showery burst forming.
Cloud on the hills?
Mostly little, local low cloud
Low cloud or fog mostly coastal areas toward the west. Some cloud banks may drift onto higher slopes inland, but many hills likely clear.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Fairly cloudy, glimpses of sun. Visibility good, slight haze.
How Cold? (at 750m)
11 to 14C, still quite humid.
Freezing Level
Above the summits
Viewing Forecast For
Brecon Beacons
Wednesday 2nd July 2025
Last updated
Sun 29th Jun 25 at
4:00PM
How windy? (On the summits)
Northerly or variable 15 to 20mph.
Effect of the wind on you?
Fairly small
How Wet?
Possible patchy rain or showers
Risk occasional rain, may be just spots from high cloud. Scattered showers mostly eastern areas, mainly afternoon.
Cloud on the hills?
Likely very little
Much cloud may be above the hills, occasional patches on higher tops.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Areas of high cloud, some sun breaking through. Visibility very good.
How Cold? (at 750m)
10 to 12C.
Freezing Level
Above the summits
Planning Outlook
Cooler across Scotland by Monday night as a cold front advances eastwards. Risk of scattered thundery showers Tuesday-Wednesday, mostly eastern areas. High pressure then builds to the south, whilst a humid southwesterly returns to bring spells of rain and low cloud to western Scotland. The second week of July looks cooler for all with sunshine and showers.