Brecon weather live forecast

Today's maximum temperature in Brecon is expected to be 17°C. Select a day from the live weather forecast for Brecon, Wales, UK for more weather parameters.

Sunday
20th Sep
17

9

5

3
Monday
21st Sep
20

9

3

3
Tuesday
22nd Sep
22

14

3

2
Wednesday
23rd Sep
19

11

5

3
Thursday
24th Sep
18

9

6

3

5-day weather forecast updated at 04:01 on Sunday 20th September 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 Sunday 20th September 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

17
°C maximum temperature
9
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
17
kph wind from NW

Brecon weather for Monday 21st September 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the west.

20
°C maximum temperature
9
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from W

Brecon weather for Tuesday 22nd September 2026

Expect fog in low lying areas in Brecon, Wales with a maximum temperature of 22°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

22
°C maximum temperature
14
°C minimum temperature
fog in low lying areas
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from SW

Brecon weather for Wednesday 23rd September 2026

Expect broken clouds in Brecon, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

19
°C maximum temperature
11
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from W

Brecon weather for Thursday 24th September 2026

Expect fog in low lying areas in Brecon, Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.