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.
Tuesday'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.
Frequent or persistent rain
Steady rain fairly persistent, occasionally heavy, rather wet underfoot.
Poor visibility
Murky conditions with areas of fog shrouding the hills, making navigation challenging. Map and compass essential.
Cool to mild
Air temperature 5 to 10C on higher terrain. Comfortable temperatures on lower terrain, but feeling chilly if exposed to wind higher up, especially if stationary. Pack extra layers.
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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.
Frequent or persistent rain
Steady rain fairly persistent, occasionally heavy, rather wet underfoot.
Poor visibility
Murky conditions with areas of fog shrouding the hills, making navigation challenging. Map and compass essential.
Cool to mild
Air temperature 5 to 10C on higher terrain. Comfortable temperatures on lower terrain, but feeling chilly if exposed to wind higher up, especially if stationary. Pack extra layers.
Viewing Forecast For
Brecon Beacons
Tuesday 30th June 2026
Last updated
Mon 29th Jun 26 at
4:03PM
Summary for all mountain areas
Rain and cloud over the hills widely, heavier pulses of rain tending to extend north and eastwards with time through middle of day into afternoon, some local thundery downpours forming. Wind dropping light across much of Highlands, fresh south-southwest winds England and Wales.
Headline for Brecon Beacons
Frequent rain, some heavy bursts. Moderate-strong breeze.
How windy? (On the summits)
South then southwesterly, 20 to 25mph, occasional 30mph on high tops; later shifting westerly, or northwesterly by dusk,
Effect of the wind on you?
Feeling blustery and cool over higher mountains. In places gusts may affect balance on exposed terrain.
How Wet?
Rain and showers, some heavy, chance lightning
Patchy rain and showers for much of the day, more frequent for periods in west, some heavy bursts tending to drift eastwards, chance of isolated thunder, mainly mid-Wales. Tending to clear from west Wales later in day.
Cloud on the hills?
Fairly extensive
Shrouding most high terrain all day, varying bases around rain, some ragged patches to lower slopes. Local breaks higher up mainly in eastern mid-Wales. Some improvement later in day from west.
Chance of cloud free summits?
20%
Sunshine and air clarity?
Generally cloudy, a little weak sun mainly morning in east, then late in day west. Visibility often reduced by rain, poor for periods; intermittently very good if dry.
How Cold? (at 750m)
10 or 11C, little variation all day. Feeling close to 0C directly in the wind.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Wednesday 1st July 2026
Last updated
Mon 29th Jun 26 at
4:03PM
How windy? (On the summits)
Westerly 15-20mph in morning, then strengthening southwesterly, to 25-30mph afternoon, later 40-45mph, risk 50mph.
Effect of the wind on you?
Fairly small in the morning, but becoming more blustery, walking uncomfortable later, increasingly arduous in exposure.
How Wet?
A little rain mainly later
Generally dry much of the day, except for an odd isolated shower. A little light rain may move onto western Cambrians in afternoon, some drizzly rain then more widely later, amounts small.
Cloud on the hills?
Varied in morning, lifting until later
Cloud banks mostly higher and western hills in the morning, may cover some mid slopes for a time. Lifting higher and breaking from most tops into afternoon. Lowering again later over western hills.
Chance of cloud free summits?
30% rising to 80%, later 20% west
Sunshine and air clarity?
Patchwork of cloud and sun, giving way to high cloud thickening from west afternoon. Visibility excellent.
How Cold? (at 750m)
9 or 10C, little variation all day. Feeling near or later below freezing on high tops as wind increases.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Thursday 2nd July 2026
Last updated
Mon 29th Jun 26 at
4:03PM
How windy? (On the summits)
Westerly, risk 50-60mph dawn-early morning, lessening to 25-30mph during morning, 20-25mph in afternoon.
Effect of the wind on you?
Risk difficult conditions from overnight and early in the day, walking arduous over high terrain, gradually improving.
How Wet?
Showers fade
Showery rain from overnight and after dawn, most frequent western Cambrians for a few hours, tending to become well scattered, by afternoon largely dry.
Cloud on the hills?
Lifting and clearing most tops
Covering high terrain fairly widely from dawn, soon mostly confined to highest tops and gradually tending to thin and break above most hills, some patches west.
Chance of cloud free summits?
30% rising to 80%
Sunshine and air clarity?
Occasional sun breaking through, most often eastern lower slopes. Visibility very good below cloud, some haze toward west coast.
How Cold? (at 750m)
10C rising to 12C afternoon. Directly in the stronger winds feeling -3C on tops, then +5C later.
Freezing Level
Above the summits.
Planning Outlook
A changeable westerly Atlantic pattern this week and into the weekend. By later Wednesday into Thursday, a spell of upland gales and more widespread rain. Risk of another windy and wetter spell into Friday. Rain and cloud most frequent over western hills from Lake District northward. Temperatures this week near or slightly below average, with marked wind chill on tops. An improving trend from the south over the weekend, best conditions for Wales and eastern hills elsewhere. Drier and warmer conditions more likely into next week, though southwesterlies may still bring more cloud to the west, some rain mainly northwest Scotland.