Rennes weather live forecast

Today's maximum temperature in Rennes is expected to be 26°C. Select a day from the live weather forecast for Rennes, France for more weather parameters.

Tuesday
25th Aug
26

18

4

5
Wednesday
26th Aug
26

18

2

4
Thursday
27th Aug
24

17

4

5
Friday
28th Aug
21

16

3

4
Saturday
29th Aug
20

17

2

3

5-day weather forecast updated at 04:04 on Tuesday 25th 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 25th August 2026

Expect mostly cloudy with light rain in Rennes, France with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a gentle breeze of 19 kph from the south-west.

26
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
4
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
19
kph wind from SW

Rennes weather for Wednesday 26th August 2026

Expect isolated thunderstorms in Rennes, France with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 14 kph from the south.

26
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
91
% chance of some rain
<10
mm of rainfall expected
26
°C wind chill
14
kph wind from S

Rennes weather for Thursday 27th August 2026

Expect isolated thunderstorms in Rennes, France with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 16 kph from the south-west.

24
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
58
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
16
kph wind from SW

Rennes weather for Friday 28th August 2026

Expect isolated thunderstorms in Rennes, France with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 21 kph from the south-west.

21
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
62
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Rennes weather for Saturday 29th August 2026

Expect mostly cloudy with light rain in Rennes, France with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 24 kph from the south-west.