Rennes

Ille-et-Vilaine, Brittany, France (land mass)

Current Weather

14°57°

Rain and Breezy

Feels Like: 13°56°

Min: 10°50°

Max: 15°59°

The next few hours will be overcast, with tomorrow reaching 14°C and dropping to 10°C. The coming days will be drizzle

Hourly Forecast

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Air Quality

36
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous

Pollen Levels

Tree PollenLow
Grass PollenLow
Weed PollenLow

Daylight Hours

08:46

Sunrise

18:55

Sunset

10 hours 9 minutes of sunlight today

Moon

17:24

Moonrise

04:01

Moonset

Daily Forecast

Today

10°50°
15°59°

Friday

10°49°
14°57°

Saturday

10°49°
18°64°

Sunday

10°50°
18°65°

Sunday

9°48°
20°67°

Monday

11°51°
18°65°

Tuesday

7°45°
15°58°

Wednesday

6°43°
13°56°

Thursday

8°47°
16°61°

Friday

12°54°
19°65°

UV Index

No protection needed
0Low
LowExtreme

Humidity

87%Humid
LowHigh

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Weather in Rennes tomorrow, October 23, 2026

Rain features in Rennes on October 23, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 00:00. Cloud is also thick early on, peaking near 100% around 01:00.Rain features in Rennes on October 23, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 00:00. Cloud is also thick early on, peaking near 100% around 01:00.

Expect highs of 14°C and cooler readings close to 10°C. The air stays humid, with relative humidity between 48% and 89% and the peak around 00:00. Wind is a factor, climbing to about 34 km/h around 09:00.Expect highs of 57°F and cooler readings close to 49°F. The air stays humid, with relative humidity between 48% and 89% and the peak around 00:00. Wind is a factor, climbing to about 21 mph around 09:00.

The afternoon should feel quieter than the damp start, with rain probability easing to about 0% after morning values near 100%. Cloud cover stays around 83% by 22:00. Visibility holds near 36.1 km, though it can fall to 22 km. Expect sunrise at 08:47, sunset at 18:53, and 10 hours 6 minutes of sunlight today overall.The afternoon should feel quieter than the damp start, with rain probability easing to about 0% after morning values near 100%. Cloud cover stays around 83% by 22:00. Visibility holds near 22.4 mi, though it can fall to 13.7 mi. Expect sunrise at 08:47, sunset at 18:53, and 10 hours 6 minutes of sunlight today overall.

The practical takeaway for Rennes on October 23, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 14°C.The practical takeaway for Rennes on October 23, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 57°F.

Frequently asked questions about weather in Rennes

How warm does it get in Rennes?

The warmest month in Rennes is July, with average high temperatures of 24°C. The average temperature during this period is around 19°C.The warmest month in Rennes is July, with average high temperatures of 76°F. The average temperature during this period is around 67°F.

How cold does it get in Rennes?

The coldest month in Rennes is January, with average low temperatures of 3°C. The average temperature during this period is around 6°C.The coldest month in Rennes is January, with average low temperatures of 38°F. The average temperature during this period is around 43°F.

What is the wettest time of year in Rennes?

The wettest month in Rennes is October, with an average of 80 mm of precipitation.The wettest month in Rennes is October, with an average of 3.1 in of precipitation.

What is the driest time of year in Rennes?

The driest month in Rennes is August, with an average of 42 mm of precipitation.The driest month in Rennes is August, with an average of 1.6 in of precipitation.

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