Rennes weather live forecast

Today's maximum temperature in Rennes is expected to be 28°C. Select a day from the live weather forecast for Rennes, France for more weather parameters.

Tuesday
18th Aug
28

18

2

5
Wednesday
19th Aug
23

18

2

4
Thursday
20th Aug
25

14

6

5
Friday
21st Aug
23

13

4

4
Saturday
22nd Aug
24

14

1

6

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

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

Rennes weather forecast by day

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

Rennes weather for Tuesday 18th August 2026

Expect broken clouds in Rennes, France with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

28
°C maximum temperature
18
°C minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from W

Rennes weather for Wednesday 19th August 2026

Expect isolated thunderstorms in Rennes, France with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 18 kph from the west.

23
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
44
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
18
kph wind from W

Rennes weather for Thursday 20th August 2026

Expect broken clouds in Rennes, France with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

25
°C maximum temperature
14
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
19
kph wind from W

Rennes weather for Friday 21st August 2026

Expect broken clouds in Rennes, France with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

23
°C maximum temperature
13
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
12
kph wind from W

Rennes weather for Saturday 22nd August 2026

Expect mostly cloudy with light rain in Rennes, France with a maximum temperature of 24°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a gentle breeze of 13 kph from the north-east.