See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Overcast
Feels Like: 22°
Min: 14°
Max: 22°
The next few hours will be mostly clear, with today reaching 22°C and dropping to 12°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:42
Sunrise
19:44
Sunset
Moon
Waxing Gibbous
17:25
Moonrise
01:13
Moonset
Daily Forecast
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Franconville.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Franconville.
View stargazing scoreWeather in Franconville tomorrow, September 21, 2026
Franconville stays under cloudy skies on September 21, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The first half of the day looks overcast, as cloud amounts reach about 100% around 05:00. Brighter weather, if it comes, waits until later.
Temperatures climb from an overnight low near 11°C toward a daytime high of about 23°C. Expect humidity between 37% and 96%, most humid near 08:00. Expect gentle winds, highest near 16:00 at 2.5 km/h.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 27.9 km on average, though it can drop toward 8.0 km in thicker cloud or showers. Daylight runs from 07:44 to 19:42, lasting 11 hours 58 minutes of sunlight today.
In short, cloud leads the story in Franconville on September 21, 2026; expect limited sun and a peak around 23°C.
Frequently asked questions about weather in Franconville
How warm does it get in Franconville?
The warmest month in Franconville is July, with average high temperatures of 25°C. The average temperature during this period is around 20°C.
How cold does it get in Franconville?
The coldest month in Franconville is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Franconville?
The wettest month in Franconville is October, with an average of 80mm of precipitation.
What is the driest time of year in Franconville?
The driest month in Franconville is July, with an average of 50mm of precipitation.
Explore more weather forecasts
- Ermont, Île-de-France
- Paris, Île-de-France
- Sannois, Île-de-France
- Marseille, Provence-Alpes-Côte d'Azur
- Montigny-lès-Cormeilles, Île-de-France
- Lyon, Auvergne-Rhône-Alpes
- Cormeilles-en-Parisis, Île-de-France
- Toulouse, Occitanie
- Eaubonne, Île-de-France
- Nice, Provence-Alpes-Côte d'Azur
- Saint-Leu-la-Forêt, Île-de-France
- Nantes, Pays de la Loire
- Argenteuil, Île-de-France
- Marne La Vallée, Île-de-France
- Saint-Gratien, Île-de-France
- Strasbourg, Grand Est
