See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Overcast
Feels Like: 18°
Min: 19°
Max: 24°
The next few hours will be overcast, with today reaching 24°C and dropping to 18°C. The coming days will be possible drizzle in the morning.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:44
Sunrise
19:12
Sunset
Moon
Waning Gibbous
20:55
Moonrise
12:20
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Saint-Jean-de-Niost.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Saint-Jean-de-Niost.
View stargazing scoreWeather in Saint-Jean-de-Niost today, September 30, 2026
Expect unsettled, showery conditions in Saint-Jean-de-Niost on September 30, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning sky stays heavily clouded, with cover near 100% around 08:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 19°C toward a daytime high of about 24°C. The air stays humid, with relative humidity between 44% and 87% and the peak around 21:00. Airflow remains manageable, reaching about 4.6 km/h around 13:00.
Afternoon showers stay in play, peaking near 94% around 14:00. Skies remain cluttered, with cover about 100% by 12:00. Visibility holds near 36.7 km, though it can fall to 25.7 km. Sunrise is at 07:44 and sunset at 19:12, giving 11 hours 28 minutes of sunlight today.
In short, treat September 30, 2026 in Saint-Jean-de-Niost as a damp day: pack covers, watch the wetter hours, and expect a high near 24°C.
Frequently asked questions about weather in Saint-Jean-de-Niost
How warm does it get in Saint-Jean-de-Niost?
The warmest month in Saint-Jean-de-Niost is August, with average high temperatures of 30°C. The average temperature during this period is around 23°C.
How cold does it get in Saint-Jean-de-Niost?
The coldest month in Saint-Jean-de-Niost is January, with average low temperatures of 1°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Saint-Jean-de-Niost?
The wettest month in Saint-Jean-de-Niost is December, with an average of 117mm of precipitation.
What is the driest time of year in Saint-Jean-de-Niost?
The driest month in Saint-Jean-de-Niost is July, with an average of 44mm of precipitation.
Explore more weather forecasts
- Ambérieu-en-Bugey, Auvergne-Rhône-Alpes
- Paris, Île-de-France
- Meyzieu, Auvergne-Rhône-Alpes
- Marseille, Provence-Alpes-Côte d'Azur
- Genas, Auvergne-Rhône-Alpes
- Lyon, Auvergne-Rhône-Alpes
- Décines-Charpieu, Auvergne-Rhône-Alpes
- Toulouse, Occitanie
- Vaulx-en-Velin, Auvergne-Rhône-Alpes
- Nice, Provence-Alpes-Côte d'Azur
- L'Isle-d'Abeau, Auvergne-Rhône-Alpes
- Nantes, Pays de la Loire
- Rillieux-la-Pape, Auvergne-Rhône-Alpes
- Marne La Vallée, Île-de-France
- Villefontaine, Auvergne-Rhône-Alpes
- Strasbourg, Grand Est
