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.
Friday's Forecast
Windy, walking impeded
Blustery conditions enough to give buffeting on higher terrain or affect balance on exposed ridges. 25 to 40mph.
Patchwork of cloud and sun
Dry most or all day. A mix of cloud and sunshine. Occasional cloud banks drifting over higher slopes, lifting above the tops.
Clear
Excellent or superb visibility, no navigation issues.
Warm
Comfortable temperatures on the hills, 10 to 15C on tops, feeling pleasantly warm especially on lower ground. Beware of feeling cooler if exposed to wind on higher terrain.
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Windy, walking impeded
Blustery conditions enough to give buffeting on higher terrain or affect balance on exposed ridges. 25 to 40mph.
Patchwork of cloud and sun
Dry most or all day. A mix of cloud and sunshine. Occasional cloud banks drifting over higher slopes, lifting above the tops.
Clear
Excellent or superb visibility, no navigation issues.
Warm
Comfortable temperatures on the hills, 10 to 15C on tops, feeling pleasantly warm especially on lower ground. Beware of feeling cooler if exposed to wind on higher terrain.
Viewing Forecast For
Brecon Beacons
Friday 2nd October 2026
Last updated
Thu 1st Oct 26 at
3:22PM
Summary for all mountain areas
Continuing mild, but gales - or in the north severe gales on many mountains - will make it feel cold due to wind chill. A weakening front will bring a little rain eastwards before a further front brings heavier rain in from the southwest later in the day.
Headline for Brecon Beacons
Upland gales and risk of a little rain western hills.
How windy? (On the summits)
South to southwesterly, ranging from 35 to 45mph, strongest Cambrian range.
Effect of the wind on you?
Increasingly blustery with height - on higher slopes, particularly Cambrian range, considerable buffeting and marked wind chill.
How Wet?
Rain, if any, rarely
Here and there a little drizzly rain, most likely Cambrian range.
Cloud on the hills?
Extensive on higher areas; lowest cloud more southern ranges
Typical cloud base 600 to 750m by midday. However, in rain, patches nearer 450m, this sometimes widespread SW Wales with the base near or below 300m.
Chance of cloud free summits?
70% but 20% southwestern hills
Sunshine and air clarity?
Occasional sun, mainly east and mid Wales. Very good visibility - most haze SW Wales.
How Cold? (at 750m)
12C, but feeling near or below freezing point directly in the wind.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Saturday 3rd October 2026
Last updated
Thu 1st Oct 26 at
3:22PM
How windy? (On the summits)
West-southwesterly 15-20mph, stronger for a few early hours, to 25mph briefly.
Effect of the wind on you?
Mostly small.
How Wet?
Light rain
Patchy rain affects most hills though morning and into afternoon, falls generally light, drizzly on the tops too. A few sustained falls affect south slopes but a trend towards drier conditions as the day goes.
Cloud on the hills?
Fairly extensive, may improve
Hills begin substantially shrouded, to low slopes on south aspects with patches just above some valleys. Cloud will lift and break from northwest - although some uncertainty in timing, may well all clear into the afternoon.
Chance of cloud free summits?
Rising to 80% from northwest
Sunshine and air clarity?
Cloudy or dull before becoming increasingly sunny from northwest - and the visibility becoming excellent.
How Cold? (at 750m)
10 to 12C.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Sunday 4th October 2026
Last updated
Thu 1st Oct 26 at
3:22PM
How windy? (On the summits)
Southwesterly, 15mph
Effect of the wind on you?
Small.
How Wet?
Risk of a little drizzle west
Risk isolated drizzle, possibly on and off for an hour or two Preseli.
Cloud on the hills?
Foggy across many mountains all day
Persistent low cloud penetrating inland from about dawn will persist all day wet and southernmost hills, where patches for periods below 300m. On Cambrian range and north of A40 through Brecon, most cloud above 500m, and may never reach the Black Mountains. Cloud base will rise eastwards to 300-500m before progressively breaking up.
Chance of cloud free summits?
10% southwest to 80% east
Sunshine and air clarity?
Sunshine mainly easternmost areas where it may be extensive. Mostly very good or excellent visibility, though sometimes misty southwest Wales.
How Cold? (at 750m)
13C.
Freezing Level
Above the summits.
Planning Outlook
Rain at some stage more or less daily on most mountain areas through the coming week. However, frequently dry E & S Wales and S Pennines. Frequently windy Scottish Highlands, whilst progressively further south, periods of strong winds will be increasingly infrequent. A hint of a brief period of much colder weather around the middle of next week.