Brecon weather live forecast

Today's maximum temperature in Brecon is expected to be 21°C. Select a day from the live weather forecast for Brecon, Wales, UK for more weather parameters.

Thursday
21st May
21

11

1

UV4
Friday
22nd May
23

13

5

UV5
Saturday
23rd May
23

12

9

UV6
Sunday
24th May
27

12

10

UV7
Monday
25th May
27

15

13

UV6

5-day weather forecast updated at 04:01 on Thursday 21st May 2026 GMT

More about Brecon

Brecon by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wales

Spabreaks.com promo code: 8% off bookings & vouchers

Exclusive

Save 8% on spa breaks, spa days & gift vouchers
Check out latest offers on over 550 spas across the UK
A guaranteed experience to suit your budget & occasion

Show discount code

******SB8

Redeem Spabreaks.com discount code >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Spabreaks.com offers

Spa break finder

Destination

The 5-day weather forecast for Wales (Brecon) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Brecon weather forecast by day

Below are the detailed weather forecasts for Brecon for the next 5 days.

Brecon weather for Thursday 21st May 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

21
°C maximum temperature
11
°C minimum temperature
broken clouds
1
hour of sunshine
UV4
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
18
kph wind from SW

Brecon weather for Friday 22nd May 2026

Expect mostly cloudy with light rain in Brecon, Wales with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a gentle breeze of 16 kph from the south.

23
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
UV5
UV index (Moderate)
3
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
16
kph wind from S

Brecon weather for Saturday 23rd May 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 23°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

23
°C maximum temperature
12
°C minimum temperature
broken clouds
9
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from W

Brecon weather for Sunday 24th May 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

27
°C maximum temperature
12
°C minimum temperature
broken clouds
10
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from SW

Brecon weather for Monday 25th May 2026

Expect scattered clouds in Brecon, Wales with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.