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

12 AM
48°F
10%
3mph
N
Cloudy
Humidity
93%
Feels like
48°F
Dew Point
46°F
1 AM
48°F
10%
3mph
NNE
Cloudy
Humidity
92%
Feels like
48°F
Dew Point
46°F
2 AM
48°F
10%
3mph
WNW
Cloudy
Humidity
91%
Feels like
47°F
Dew Point
45°F
3 AM
48°F
10%
3mph
WNW
Cloudy
Humidity
90%
Feels like
48°F
Dew Point
45°F
4 AM
47°F
10%
3mph
W
Cloudy
Humidity
90%
Feels like
47°F
Dew Point
45°F
5 AM
47°F
10%
3mph
WNW
Cloudy
Humidity
90%
Feels like
46°F
Dew Point
44°F
6 AM
47°F
20%
3mph
NW
Cloudy
Humidity
89%
Feels like
46°F
Dew Point
44°F
7 AM
47°F
10%
4mph
NW
Mostly Cloudy
Humidity
90%
Feels like
45°F
Dew Point
44°F
8 AM
46°F
10%
3mph
WNW
Mostly Cloudy
Humidity
90%
Feels like
45°F
Dew Point
43°F
8:38 AM
9 AM
46°F
0%
3mph
W
Cloudy
Humidity
88%
Feels like
45°F
Dew Point
43°F
10 AM
47°F
0%
3mph
SSW
Cloudy
Humidity
84%
Feels like
46°F
Dew Point
43°F
11 AM
49°F
0%
4mph
SSW
Cloudy
Humidity
81%
Feels like
48°F
Dew Point
43°F
12 PM
51°F
0%
4mph
SW
Partly Cloudy
Humidity
78%
Feels like
51°F
Dew Point
44°F
1 PM
52°F
0%
5mph
SW
Partly Cloudy
Humidity
75%
Feels like
52°F
Dew Point
44°F
2 PM
53°F
0%
5mph
SW
Partly Cloudy
Humidity
72%
Feels like
53°F
Dew Point
44°F
3 PM
53°F
0%
5mph
SW
Partly Cloudy
Humidity
71%
Feels like
53°F
Dew Point
43°F
4 PM
51°F
0%
5mph
SW
Partly Cloudy
Humidity
73%
Feels like
51°F
Dew Point
43°F
4:55 PM
5 PM
49°F
0%
5mph
SSW
Mostly Clear
Humidity
76%
Feels like
48°F
Dew Point
42°F
6 PM
47°F
0%
5mph
S
Mostly Clear
Humidity
80%
Feels like
45°F
Dew Point
42°F
7 PM
46°F
0%
5mph
S
Clear
Humidity
81%
Feels like
44°F
Dew Point
41°F
8 PM
45°F
0%
6mph
SSW
Mostly Clear
Humidity
82%
Feels like
42°F
Dew Point
40°F
9 PM
45°F
10%
6mph
SW
Cloudy
Humidity
82%
Feels like
41°F
Dew Point
40°F
10 PM
44°F
10%
7mph
SW
Cloudy
Humidity
84%
Feels like
40°F
Dew Point
39°F
11 PM
44°F
10%
7mph
SW
Cloudy
Humidity
85%
Feels like
39°F
Dew Point
39°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