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

12 AM
47°F
0%
11mph
SSW
Mostly Cloudy
Humidity
92%
Feels like
41°F
Dew Point
44°F
1 AM
46°F
0%
11mph
SSW
Mostly Cloudy
Humidity
93%
Feels like
41°F
Dew Point
44°F
2 AM
45°F
0%
10mph
SSW
Cloudy
Humidity
94%
Feels like
40°F
Dew Point
44°F
3 AM
45°F
0%
10mph
SSW
Cloudy
Humidity
93%
Feels like
40°F
Dew Point
43°F
4 AM
45°F
0%
10mph
SSW
Cloudy
Humidity
91%
Feels like
40°F
Dew Point
42°F
5 AM
45°F
10%
10mph
SSW
Cloudy
Humidity
91%
Feels like
39°F
Dew Point
42°F
6 AM
44°F
10%
10mph
SSW
Cloudy
Humidity
92%
Feels like
39°F
Dew Point
42°F
7 AM
44°F
10%
10mph
S
Cloudy
Humidity
93%
Feels like
38°F
Dew Point
42°F
8 AM
44°F
10%
10mph
S
Mostly Cloudy
Humidity
93%
Feels like
38°F
Dew Point
42°F
8:40 AM
9 AM
44°F
10%
11mph
S
Mostly Cloudy
Humidity
90%
Feels like
39°F
Dew Point
42°F
10 AM
46°F
10%
11mph
S
Mostly Cloudy
Humidity
85%
Feels like
41°F
Dew Point
42°F
11 AM
48°F
10%
11mph
S
Partly Cloudy
Humidity
79%
Feels like
43°F
Dew Point
42°F
12 PM
51°F
10%
12mph
SSW
Partly Cloudy
Humidity
73%
Feels like
51°F
Dew Point
43°F
1 PM
53°F
10%
12mph
SSW
Partly Cloudy
Humidity
70%
Feels like
53°F
Dew Point
43°F
2 PM
53°F
10%
12mph
SSW
Partly Cloudy
Humidity
69%
Feels like
53°F
Dew Point
43°F
3 PM
53°F
10%
12mph
SSW
Partly Cloudy
Humidity
69%
Feels like
53°F
Dew Point
43°F
4 PM
52°F
10%
11mph
S
Partly Cloudy
Humidity
71%
Feels like
52°F
Dew Point
43°F
4:55 PM
5 PM
51°F
10%
11mph
S
Partly Cloudy
Humidity
75%
Feels like
51°F
Dew Point
43°F
6 PM
50°F
10%
10mph
S
Partly Cloudy
Humidity
79%
Feels like
45°F
Dew Point
43°F
7 PM
49°F
20%
10mph
S
Mostly Cloudy
Humidity
82%
Feels like
45°F
Dew Point
44°F
8 PM
48°F
20%
10mph
S
Mostly Cloudy
Humidity
86%
Feels like
44°F
Dew Point
44°F
9 PM
48°F
20%
10mph
S
Cloudy
Humidity
91%
Feels like
43°F
Dew Point
45°F
10 PM
48°F
20%
11mph
S
Cloudy
Humidity
94%
Feels like
43°F
Dew Point
46°F
11 PM
47°F
20%
11mph
S
Cloudy
Humidity
95%
Feels like
43°F
Dew Point
46°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