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.

Saturday
1st Aug
17

13

8

5
Sunday
2nd Aug
23

11

2

4
Monday
3rd Aug
25

15

1

3
Tuesday
4th Aug
23

16

3

2
Wednesday
5th Aug
22

15

2

3

5-day weather forecast updated at 04:03 on Friday 31st July 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 Saturday 1st August 2026

Expect sunshine and showers in Barmouth, Wales with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 10% chance of some rain and a gentle breeze of 16 kph from the west.

17
°C maximum temperature
13
°C minimum temperature
sunshine and showers
8
hours of sunshine
5
UV index (Moderate)
10
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
16
kph wind from W

Barmouth weather for Sunday 2nd August 2026

Expect broken clouds in Barmouth, Wales with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

23
°C maximum temperature
11
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
13
kph wind from E

Barmouth weather for Monday 3rd August 2026

Expect overcast skies in Barmouth, Wales with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

25
°C maximum temperature
15
°C minimum temperature
overcast skies
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from E

Barmouth weather for Tuesday 4th August 2026

Expect mostly cloudy with light rain in Barmouth, Wales with a maximum temperature of 23°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 15 kph from the west.

23
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
52
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

Barmouth weather for Wednesday 5th August 2026

Expect mostly cloudy with light rain in Barmouth, Wales with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a light breeze of 10 kph from the north-west.