Brittany weather live forecast

Today's maximum temperature in Brittany is expected to be 21°C. Select a day from the live weather forecast for Brittany (Brest), France for more weather parameters.

Tuesday
18th Aug
21

17

1

4
Wednesday
19th Aug
20

15

3

6
Thursday
20th Aug
21

15

6

5
Friday
21st Aug
20

14

5

5
Saturday
22nd Aug
22

14

0

6

5-day weather forecast updated at 04:00 on Tuesday 18th August 2026 GMT

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

Top Brittany destinations

Below are temperatures expected today at popular countries, regions and places in Brittany. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

Brittany weather forecast by day

Below are the detailed weather forecasts for Brittany for the next 5 days. The forecasts shown are for Brest and may not represent the whole of Brittany. Browse more destinations in Brittany to view more weather forecasts.

Brittany weather for Tuesday 18th August 2026

Expect broken clouds in Brittany 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 17 kph from the west.

21
°C maximum temperature
17
°C minimum temperature
broken clouds
1
hour of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from W

Brittany weather for Wednesday 19th August 2026

Expect mostly cloudy with rain in Brittany with a maximum temperature of 20°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 17 kph from the west.

20
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
6
UV index (High)
64
% chance of some rain
<10
mm of rainfall expected
20
°C wind chill
17
kph wind from W

Brittany weather for Thursday 20th August 2026

Expect sunshine and showers in Brittany with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 21 kph from the west.

21
°C maximum temperature
15
°C minimum temperature
sunshine and showers
6
hours of sunshine
5
UV index (Moderate)
47
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
21
kph wind from W

Brittany weather for Friday 21st August 2026

Expect mostly cloudy with light rain in Brittany with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 14 kph from the west.

20
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
32
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from W

Brittany weather for Saturday 22nd August 2026

Expect isolated thunderstorms in Brittany with a maximum temperature of 22°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 37% chance of some rain and a moderate breeze of 20 kph from the north.