- Clothing
- Light layers work well; a jacket for the evening.
Tomorrow's Weather Forecast - Rennes
Tomorrow's weather in Rennes. high 26°C (79°F), low 12°C (54°F). Overcast.
Tomorrow’s Outlook
Tomorrow will be 2°C warmer than today. Expect pleasant, mostly clear skies with little chance of rain. Humidity sits at a moderate 69%, so the air shouldn't feel unusually damp or dry. Winds stay light and calm, rarely topping 11 km/h. Sunrise is at 7:39 AM and sunset at 8:25 PM, for about 12h 46m of daylight.
- Tomorrow
- 26°/ 12°
- Today24° / 14°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon14°
- Rain probability
- 0%
- Wind speed
- 5 km/h
AfternoonNoon – 6 PM23°
- Rain probability
- 0%
- Wind speed
- 7 km/h
Evening6 PM – Midn24°
- Rain probability
- 0%
- Wind speed
- 11 km/h
NightMidn – 6 AM15°
- Rain probability
- 0%
- Wind speed
- 9 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Good conditions for outdoor activities.
- Travel
- Standard travel conditions expected.
Sunrise & Sunset
Sunrise
Dawn 7:09 AMTotal Daylight
Full day forecastSolar noon 2:02 PM
Sunset
Dusk 8:55 PMvs today-4 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Rennes is forecast to reach a high of 26°C tomorrow, with an overnight low around 12°C. That's 4° above the long-term average high of 22°C for this time of year. It continues a recent pattern — 15 of the last 19 days with published data have run warmer than normal. Expect little chance of rain (0% probability) and a gentle breeze averaging 11 km/h. Air quality is currently good (AQI 27), with no notable outdoor health concerns.
Today vs Normal
24°C+2° above normal
The long-term average high for today is 22°C.
15 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air Quality
Good
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.