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.
Sunday's Forecast
Moderate breeze, fairly small impact, but chilly
A noticeable breeze, feeling distinctly chilly. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Mostly dry, partly cloudy
Dry most or all day. Variable amounts of sun and cloud, occasional patches drifting onto some higher slopes, but most summits often clear.
Cold
Near or below freezing on highest terrain all day. Considerable or significant chill factor if exposed to strong winds. Prepare for winter conditions - suitable protective clothing required.
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Moderate breeze, fairly small impact, but chilly
A noticeable breeze, feeling distinctly chilly. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Mostly dry, partly cloudy
Dry most or all day. Variable amounts of sun and cloud, occasional patches drifting onto some higher slopes, but most summits often clear.
Cold
Near or below freezing on highest terrain all day. Considerable or significant chill factor if exposed to strong winds. Prepare for winter conditions - suitable protective clothing required.
Viewing Forecast For
Brecon Beacons
Sunday 28th April 2024
Last updated
Sat 27th Apr 24 at
2:08PM
Summary for all mountain areas
Extensive precipitation (of snow high areas) will move northwards across eastern and central Britain (exact western edge uncertain), but will also pivot so as to clear eastwards across England whilst advancing westward across northern Scotland. Extensively dry with very clear air further west.
Headline for Brecon Beacons
A few showers.
How windy? (On the summits)
Westerly; 15 to 20mph but perhaps for a few hours 25mph on higher tops.
Effect of the wind on you?
Fairly small.
How Wet?
Showers
From before dawn in east Wales, risk of a few hours of rain, or above 750m snow. This will soon clear. In afternoon, scattered showers, of hail higher tops.
Cloud on the hills?
Most summits clearing;
Risk from dawn persistent fog higher areas in precipitation east Wales. This will more or less all clear through morning.
Chance of cloud free summits?
80%
Sunshine and air clarity?
Patches of sunshine spreading inland; sunniest west Wales from mid afternoon. Excellent visibility generally, but poor n precipitation.
How Cold? (at 750m)
1C after dawn but extensively 5C by mid afternoon.
Freezing Level
Above the summits, although close to freezing point post dawn on Pen-y-Fan.
Viewing Forecast For
Brecon Beacons
Monday 29th April 2024
Last updated
Sat 27th Apr 24 at
2:08PM
How windy? (On the summits)
Southerly between 20 and 30mph; although may reach 35mph for periods in west Wales.
Effect of the wind on you?
Will impede ease of walking widely, locally giving considerable buffeting and wind chill.
How Wet?
Rain mainly west Wales late in day
Bursts of showery rain from time to time, mainly west Wales. In afternoon and evening, the rain likely to set in for a few hours (particularly west Wales).
Cloud on the hills?
Likely to become extensive particularly west Wales
Summits may be free of cloud for periods perhaps for most of the day east Wales. But in rain, cloud likely to cover higher areas, and in SW Wales form blow 450m increasingly.
Chance of cloud free summits?
30%
Sunshine and air clarity?
Weak sunshine occasionally, generally through layers of high level cloud. Very good or excellent visibility but deteriorating to become poor in rain.
How Cold? (at 750m)
3C rising to 5C.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Tuesday 30th April 2024
Last updated
Sat 27th Apr 24 at
2:08PM
How windy? (On the summits)
Southerly speeds may well vary: typically 25-30mph, but for periods 35-40mph (strongest winds toward the west).
Effect of the wind on you?
Likely to impede ease of walking on higher areas, and toward the west give considerable buffeting and wind chill on some slopes.
How Wet?
Rain intermittently
Busts of showery rain from time to time, perhaps setting in for a couple of hours. Threat one or two heavy bursts.
Cloud on the hills?
Frequently covering higher slopes
Cloud on higher slopes mainly above 700m will come and go - although in SW Wales, the fog may be persistent, sometimes shrouding areas below 300m.
Chance of cloud free summits?
60%
Sunshine and air clarity?
Little or no sunshine. Mosstly good visibility although hazy.
How Cold? (at 750m)
6C
Freezing Level
Above the summits,
Planning Outlook
Much less cold next week with freezing levels above the mountains. Rain from time to time, particularly Wales - some of the rain heavy and thundery in character. Wind direction predominantly easterly, resulting in frequent low cloud on more eastern mountains, with highest cloud base often near the west coast.