Hourly Weather Forecast - Guyancourt, Ile-del-France, FR

7 PM
49°F
0%
10mph
SE
Cloudy
Humidity
88%
Feels like
45°F
Dew Point
46°F
8 PM
50°F
30%
10mph
SE
30% Chance of Light Rain
Humidity
86%
Feels like
46°F
Dew Point
46°F
9 PM
50°F
30%
10mph
SE
30% Chance of Light Rain
Humidity
86%
Feels like
50°F
Dew Point
46°F
10 PM
50°F
30%
10mph
SSE
30% Chance of Light Rain
Humidity
89%
Feels like
50°F
Dew Point
47°F
11 PM
50°F
40%
10mph
SSE
40% Chance Rain Showers
Humidity
92%
Feels like
50°F
Dew Point
48°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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