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
Gale force, walking arduous
Considerable buffeting, walking into the wind will be strenuous on exposed terrain, stronger gusts may knock you off your feet. 40 to 55mph.
Snow and hail showers
Periods of bright or sunny conditions mixed with showers or flurries of snow and hail. Visibility may change rapidly from excellent to very poor.
Chilly
Air temperature typically 0 to 5C on higher summits. Feeling distinctly chilly on tops when stationary or where exposed to wind. Take appropriate layers.
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Gale force, walking arduous
Considerable buffeting, walking into the wind will be strenuous on exposed terrain, stronger gusts may knock you off your feet. 40 to 55mph.
Snow and hail showers
Periods of bright or sunny conditions mixed with showers or flurries of snow and hail. Visibility may change rapidly from excellent to very poor.
Chilly
Air temperature typically 0 to 5C on higher summits. Feeling distinctly chilly on tops when stationary or where exposed to wind. Take appropriate layers.
Viewing Forecast For
Brecon Beacons
Wednesday 13th May 2026
Last updated
Wed 13th May 26 at
1:25AM
Summary for all mountain areas
Cold for the time of year, with a cyclonic and unstable north-westerly bringing an increasingly widespread showery day across the hills. Showers heavy, with hail and risk of isolated thunder. Snow falling above around 700m. Gusty north-westerly winds, particularly strong and turbulent in and around the showers.
Headline for Brecon Beacons
Cold, windy and showery. Showers heavy, with hail and snow tops; risk thunder.
How windy? (On the summits)
West to northwesterly 30 to 45mph, gusts in excess of 50mph at times in and around showers.
Effect of the wind on you?
Significant wind chill, very blustery, strenuous walking on high terrain, buffeting gusts making balance challenging.
How Wet?
Showery, hail, snow highest tops
Showers mostly toward west Wales early morning, but increasingly widespread, heavy bursts with hail, risk isolated thunder; snow at times falling on high tops mostly above 700m.
Cloud on the hills?
Sometimes capping tops in showers
Patchy cloud around some higher slopes in morning, mainly western areas. Most cloud often lifting above the hills, but some ragged patches to 600m around showers.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Brief bursts of sun and intermittently excellent visibility, but suddenly very poor during showers.
How Cold? (at 750m)
1C rising to 4C. Wind chill feeling like -10 to -15C.
Freezing Level
Close to freezing on highest summits early morning, rising above, but lowering briefly near high tops in showers.
Viewing Forecast For
Brecon Beacons
Thursday 14th May 2026
Last updated
Wed 13th May 26 at
1:25AM
How windy? (On the summits)
Northwesterly 25mph, but perhaps up to 30mph for western coastal hills, some stronger squally gusts around showers.
Effect of the wind on you?
Considerable wind chill for mid-May. At times walking becoming uncomfortable in exposure on high tops.
How Wet?
Showers developing widely, some hail.
Showers focused on western areas in morning. After mostly dry start south and east, showers develop and become fairly widespread into middle of day. Some heavy with hail.
Cloud on the hills?
Varied, but often above tops away from showers.
Given flow direction, generally well elevated bases with tops often clear. However, in and around showers, shafts of cloud may lower onto tops. Sleet tops.
Chance of cloud free summits?
60%
Sunshine and air clarity?
Sunshine best well inland early in the day. Otherwise, fleeting glimpses between the showers. Visibility very good, but poor in showers.
How Cold? (at 750m)
2C. Feeling like -8C directly in wind.
Freezing Level
Above the summits
Viewing Forecast For
Brecon Beacons
Friday 15th May 2026
Last updated
Wed 13th May 26 at
1:25AM
How windy? (On the summits)
Northerly 15 to 25mph, strongest around dawn when perhaps some tops up at 30mph.
Effect of the wind on you?
May impede walking at times, mainly in the morning when the wind chill factor will be most pronounced.
How Wet?
A few showers, transferring inland.
A few showers, perhaps some hail, with snow over the tops initially. Showers well scattered and generally transfer through day from the coast to well inland.
Cloud on the hills?
Occasional patches tops
Generally bases lifting through day and well elevated, but occasional patches will cover tops at times, perhaps frequent for a time morning west of Brecon.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Patchy sun, best early morning and west coast afternoon. Visibility very good, but lowering in showers.
How Cold? (at 750m)
3 or 4C. Feeling like -7C directly in early wind.
Freezing Level
Above the summits
Planning Outlook
Staying notably chilly for mid-May through this week as air from the north-northwest prevails, with showers heavy at times and containing hail with snow over the tops, but over the weekend a front will edge in and bring a change to westerly winds. Next week may see ridging across England and Wales giving drier conditions, but occasional rain and blustery south-westerly winds for Scotland.