See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
18°
Mostly Cloudy
Feels Like: 18°
Min: 17°
Max: 23°
The next few hours will be overcast, with today reaching 23°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
07:42
Sunrise
19:11
Sunset
Moon
Waning Gibbous
20:55
Moonrise
12:16
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-Geoire-en-Valdaine.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Saint-Geoire-en-Valdaine.
View stargazing scoreWeather in Saint-Geoire-en-Valdaine today, September 30, 2026
Saint-Geoire-en-Valdaine 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. The morning sky stays heavily clouded, with cover near 100% around 07:00. Grey conditions set the early tone before any later change.
The day peaks near 23°C and cools toward 17°C. Relative humidity sits between 51% and 87%, reaching its peak around 23:00. Airflow remains manageable, reaching about 2.0 km/h around 13:00.
Afternoon showers stay in play, peaking near 72% around 20:00. Skies remain cluttered, with cover about 100% by 12:00. Expect visibility near 39.4 km, with poorer spells close to 24.4 km. The sun rises at 07:42 and sets at 19:11, for a total of 11 hours 28 minutes of sunlight today.
Taken together, Saint-Geoire-en-Valdaine looks wet enough on September 30, 2026 that flexible outdoor plans work best, with temperatures peaking near 23°C.
Frequently asked questions about weather in Saint-Geoire-en-Valdaine
How warm does it get in Saint-Geoire-en-Valdaine?
The warmest month in Saint-Geoire-en-Valdaine is July, with average high temperatures of 26°C. The average temperature during this period is around 21°C.
How cold does it get in Saint-Geoire-en-Valdaine?
The coldest month in Saint-Geoire-en-Valdaine is January, with average low temperatures of -1°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Saint-Geoire-en-Valdaine?
The wettest month in Saint-Geoire-en-Valdaine is May, with an average of 170mm of precipitation.
What is the driest time of year in Saint-Geoire-en-Valdaine?
The driest month in Saint-Geoire-en-Valdaine is August, with an average of 90mm of precipitation.
Explore more weather forecasts
- Voiron, Auvergne-Rhône-Alpes
- Paris, Île-de-France
- Voreppe, Auvergne-Rhône-Alpes
- Marseille, Provence-Alpes-Côte d'Azur
- La Motte-Servolex, Auvergne-Rhône-Alpes
- Lyon, Auvergne-Rhône-Alpes
- Saint-Égrève, Auvergne-Rhône-Alpes
- Toulouse, Occitanie
- Chambéry, Auvergne-Rhône-Alpes
- Nice, Provence-Alpes-Côte d'Azur
- Sassenage, Auvergne-Rhône-Alpes
- Nantes, Pays de la Loire
- Meylan, Auvergne-Rhône-Alpes
- Marne La Vallée, Île-de-France
- Fontaine, Auvergne-Rhône-Alpes
- Strasbourg, Grand Est