Brecon Beacons
Includes all higher summits in the southern half of Wales, including highest point in Preseli Hills.
Viewing Forecast For
Brecon Beacons
Monday 27th September 2021
Last updated
Sun 26th Sep 21 at
2:24PM
Summary for all mountain areas
Residual heavy rain and low cloud from overnight will clear east in morning. Chiller conditions follow to all areas with a gusty southwesterly wind and showers; most frequent across Wales and also western Scotland where they will fall as sleet on the highest munros.
Headline for Brecon Beacons
Frequent showers with cloud often covering tops. Blustery.
How windy? (On the summits)
Southwesterly 25 to 35mph.
Effect of the wind on you?
Increasingly blustery with conditions fairly arduous with considerable wind chill and buffeting.
How Wet?
Frequent showers
Any residual heavy rain in the east soon clearing after dawn. Showers will then become frequent for a few hours with the risk of hail and thunder.
Cloud on the hills?
Frequently covering tops.
Cloud will frequently cover tops in fog through the day. The best and most substantial of the breaks will be across east Wales.
Chance of cloud free summits?
50%
Sunshine and air clarity?
Occasional patches of sun. Visibility good or very good, but slight haze.
How Cold? (at 750m)
6C
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Tuesday 28th September 2021
Last updated
Sun 26th Sep 21 at
2:24PM
How windy? (On the summits)
Low confidence in detail: Southwesterly in the range 20 to 35mph, risk 45mph for a few hours in afternoon higher slopes.
Effect of the wind on you?
Be prepared for arduous conditions across the hills for several hours with considerable wind chill and buffeting.
How Wet?
Frequent pulses of rain, may ease later.
Frequent pulses of rain moving in from the west with some heavy falls and a risk of thunder. Showers may ease in intensity and frequency through the afternoon.
Cloud on the hills?
Fairly extensive across the tops.
Cloud likely covering the hills fairly frequently through the day above around 600-800m. Best breaks east Wales, and perhaps also further west later.
Chance of cloud free summits?
40%
Sunshine and air clarity?
Mostly cloudy. Visibility often poor due to rain, may become very good later.
How Cold? (at 750m)
6C
Freezing Level
Above the summits
Viewing Forecast For
Brecon Beacons
Wednesday 29th September 2021
Last updated
Sun 26th Sep 21 at
2:24PM
How windy? (On the summits)
Northwesterly 25 to 35mph will ease to around 15 to 25mph into the afternoon.
Effect of the wind on you?
Fairly arduous through the morning with significant buffeting and wind chill, easing by midday.
How Wet?
A few showers, mostly in the morning.
A scattering of showers will run in from the northwest, most of these occurring in the morning when they may be fairly frequent for a few hours. Fizzling out afternoon.
Cloud on the hills?
Occasional patches on tops
Generally well elevated and broken cloud bases leaving hills often clear, but patches occasionally lowering onto tops, mainly in morning around showers.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Occasional patches of sunshine. Visibility very good.
How Cold? (at 750m)
5C
Freezing Level
Above the summits
Planning Outlook
An unsettled and windy period of weather over the next 7 to 10 days with frequent areas of low pressure bringing bouts of upland gales or severe gales and rain; large falls accumulating across western hills. Chillier than of late, some days near freezing on higher Scottish tops with sleet and wet snow at times on the highest Munros.