Barmouth weather live forecast

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

Wednesday
17th Jun
17

15

5

5
Thursday
18th Jun
20

14

1

3
Friday
19th Jun
19

15

2

5
Saturday
20th Jun
18

14

3

6
Sunday
21st Jun
22

14

3

7

5-day weather forecast updated at 04:03 on Tuesday 16th June 2026 GMT

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

Barmouth weather forecast by day

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

Barmouth weather for Wednesday 17th June 2026

Expect mostly cloudy with rain in Barmouth, Wales with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 22 kph from the south-west.

17
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
5
hours of sunshine
5
UV index (Moderate)
47
% chance of some rain
<10
mm of rainfall expected
17
°C wind chill
22
kph wind from SW

Barmouth weather for Thursday 18th June 2026

Expect mostly cloudy with rain in Barmouth, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a fresh breeze of 32 kph from the south.

20
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
3
UV index (Moderate)
73
% chance of some rain
<10
mm of rainfall expected
20
°C wind chill
32
kph wind from S

Barmouth weather for Friday 19th June 2026

Expect mostly cloudy with rain in Barmouth, Wales with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 27 kph from the south-west.

19
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
5
UV index (Moderate)
61
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
27
kph wind from SW

Barmouth weather for Saturday 20th June 2026

Expect broken clouds in Barmouth, Wales with a maximum temperature of 18°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

18
°C maximum temperature
14
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
18
°C wind chill
21
kph wind from SW

Barmouth weather for Sunday 21st June 2026

Expect broken clouds in Barmouth, Wales with a maximum temperature of 22°C, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.