Saint-Germain-de-la-Grange

Yvelines, Île-de-France, France

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Current Weather

20°

Overcast

Feels Like: 20°

Min: 17°

Max: 21°

The next few hours will be overcast, with today reaching 21°C and dropping to 15°C. The coming days will be misty in the morning.

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Hourly Forecast

20° 20° 20° 20° 20° 19° 19° 20° 21° 21° 21° 20° 20° 20° 19° 19° 17° 17° 17° 17° 16° 16° 16° 16°
16%
52%
52%
52%
62%
62%
62%
70%
70%
70%
98%
98%
98%
54%
54%
54%
16%
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
Today
Tomorrow

Daylight Hours

07:59

Sunrise

19:24

Sunset

11 hours 24 minutes of sunlight today

Moon

Waning Gibbous

20:54

Moonrise

12:48

Moonset

Daily Forecast

Today

17°
21°

Thursday

13°
19°

Friday

9°
20°

Saturday

8°
20°

Sunday

8°
20°

Monday

11°
19°

Tuesday

11°
20°

Wednesday

11°
20°

Thursday

10°
15°

Friday

7°
16°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

70% Comfortable
Low High

Current stargazing conditions?

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Weather in Saint-Germain-de-la-Grange today, September 30, 2026

Rain features in Saint-Germain-de-la-Grange on September 30, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 52% and the highest odds around 09:00. Cloud is also thick early on, peaking near 100% around 07:00.

Expect highs of 21°C and cooler readings close to 17°C. The air stays humid, with relative humidity between 70% and 95% and the peak around 21:00. A lighter breeze peaks around 14:00 near 4.4 km/h.

Afternoon showers stay in play, peaking near 98% around 18:00. Skies remain cluttered, with cover about 100% by 12:00. Visibility stays generally good near 23.0 km on average, though it can drop toward 7.8 km in thicker cloud or showers. Expect sunrise at 07:59, sunset at 19:24, and 11 hours 24 minutes of sunlight today overall.

Taken together, Saint-Germain-de-la-Grange looks wet enough on September 30, 2026 that flexible outdoor plans work best, with temperatures peaking near 21°C.

Frequently asked questions about weather in Saint-Germain-de-la-Grange

How warm does it get in Saint-Germain-de-la-Grange?

The warmest month in Saint-Germain-de-la-Grange 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 Saint-Germain-de-la-Grange?

The coldest month in Saint-Germain-de-la-Grange 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 Saint-Germain-de-la-Grange?

The wettest month in Saint-Germain-de-la-Grange is October, with an average of 82mm of precipitation.

What is the driest time of year in Saint-Germain-de-la-Grange?

The driest month in Saint-Germain-de-la-Grange is August, with an average of 51mm of precipitation.

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Metric (°C, km/h)