See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
18°
Mostly Cloudy
Feels Like: 17°
Min: 17°
Max: 22°
The next few hours will be overcast, with today reaching 22°C and dropping to 17°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:43
Sunrise
19:12
Sunset
Moon
Waning Gibbous
20:56
Moonrise
12:17
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-Étienne-de-Saint-Geoirs.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Saint-Étienne-de-Saint-Geoirs.
View stargazing scoreWeather in Saint-Étienne-de-Saint-Geoirs today, September 30, 2026
Saint-Étienne-de-Saint-Geoirs looks damp on September 30, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Early hours look the most unsettled, with rain probability near 76% by 11:00. The thickest cloud arrives around 07:00, reaching about 100%.
Temperatures climb from an overnight low near 17°C toward a daytime high of about 22°C. Expect humidity between 56% and 95%, most humid near 22:00. Winds stay light, near 2.1 km/h by 12:00, so the day feels still more than breezy.
The second half of the day still looks unsettled, with rain probability around 90% by 12:00. Dense cloud near 100% at 12:00 keeps the feel grey. Horizontal visibility sits around 35.1 km, briefly nearer 15.0 km. Sunrise is at 07:43 and sunset at 19:12, giving 11 hours 29 minutes of sunlight today.
The practical takeaway for Saint-Étienne-de-Saint-Geoirs on September 30, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 22°C.
Frequently asked questions about weather in Saint-Étienne-de-Saint-Geoirs
How warm does it get in Saint-Étienne-de-Saint-Geoirs?
The warmest month in Saint-Étienne-de-Saint-Geoirs is August, with average high temperatures of 28°C. The average temperature during this period is around 22°C.
How cold does it get in Saint-Étienne-de-Saint-Geoirs?
The coldest month in Saint-Étienne-de-Saint-Geoirs is January, with average low temperatures of 0°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Saint-Étienne-de-Saint-Geoirs?
The wettest month in Saint-Étienne-de-Saint-Geoirs is May, with an average of 117mm of precipitation.
What is the driest time of year in Saint-Étienne-de-Saint-Geoirs?
The driest month in Saint-Étienne-de-Saint-Geoirs is July, with an average of 50mm of precipitation.
View full climate insights for Saint-Étienne-de-Saint-Geoirs →
Explore more weather forecasts
- Voiron, Auvergne-Rhône-Alpes
- Paris, Île-de-France
- Voreppe, Auvergne-Rhône-Alpes
- Marseille, Provence-Alpes-Côte d'Azur
- Sassenage, Auvergne-Rhône-Alpes
- Lyon, Auvergne-Rhône-Alpes
- Saint-Égrève, Auvergne-Rhône-Alpes
- Toulouse, Occitanie
- Fontaine, Auvergne-Rhône-Alpes
- Nice, Provence-Alpes-Côte d'Azur
- L'Isle-d'Abeau, Auvergne-Rhône-Alpes
- Nantes, Pays de la Loire
- Seyssinet-Pariset, Auvergne-Rhône-Alpes
- Marne La Vallée, Île-de-France
- Grenoble, Auvergne-Rhône-Alpes
- Strasbourg, Grand Est
