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

12 AM
43°F
0%
7mph
SW
Cloudy
Humidity
87%
Feels like
39°F
Dew Point
40°F
1 AM
43°F
0%
7mph
SW
Cloudy
Humidity
89%
Feels like
39°F
Dew Point
40°F
2 AM
43°F
0%
8mph
SW
Cloudy
Humidity
93%
Feels like
39°F
Dew Point
41°F
3 AM
44°F
0%
8mph
SW
Mostly Cloudy
Humidity
97%
Feels like
39°F
Dew Point
43°F
4 AM
44°F
0%
8mph
SW
Foggy
Humidity
99%
Feels like
40°F
Dew Point
44°F
5 AM
45°F
0%
8mph
SSW
Mostly Cloudy
Humidity
98%
Feels like
40°F
Dew Point
44°F
6 AM
45°F
0%
8mph
SSW
Mostly Cloudy
Humidity
97%
Feels like
41°F
Dew Point
44°F
7 AM
45°F
0%
8mph
SSW
Mostly Cloudy
Humidity
96%
Feels like
41°F
Dew Point
44°F
8 AM
46°F
0%
8mph
SSW
Mostly Cloudy
Humidity
96%
Feels like
41°F
Dew Point
45°F
8:39 AM
9 AM
46°F
0%
9mph
SSW
Mostly Cloudy
Humidity
95%
Feels like
42°F
Dew Point
45°F
10 AM
47°F
0%
9mph
SSW
Mostly Cloudy
Humidity
91%
Feels like
43°F
Dew Point
45°F
11 AM
49°F
0%
10mph
SSW
Mostly Cloudy
Humidity
86%
Feels like
45°F
Dew Point
45°F
12 PM
51°F
0%
11mph
SSW
Mostly Cloudy
Humidity
82%
Feels like
51°F
Dew Point
45°F
1 PM
52°F
0%
11mph
SSW
Mostly Cloudy
Humidity
78%
Feels like
52°F
Dew Point
45°F
2 PM
53°F
0%
11mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
53°F
Dew Point
45°F
3 PM
53°F
0%
11mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
53°F
Dew Point
45°F
4 PM
52°F
0%
11mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
52°F
Dew Point
44°F
4:55 PM
5 PM
51°F
0%
11mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
51°F
Dew Point
44°F
6 PM
49°F
0%
10mph
SSW
Mostly Cloudy
Humidity
82%
Feels like
45°F
Dew Point
44°F
7 PM
49°F
10%
11mph
SSW
Mostly Cloudy
Humidity
83%
Feels like
44°F
Dew Point
44°F
8 PM
48°F
10%
11mph
S
Partly Cloudy
Humidity
84%
Feels like
43°F
Dew Point
44°F
9 PM
48°F
0%
11mph
S
Partly Cloudy
Humidity
86%
Feels like
43°F
Dew Point
44°F
10 PM
47°F
0%
11mph
S
Partly Cloudy
Humidity
88%
Feels like
43°F
Dew Point
44°F
11 PM
47°F
0%
11mph
SSW
Partly Cloudy
Humidity
89%
Feels like
42°F
Dew Point
44°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide