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

12 AM
42°F
0%
2mph
WSW
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
1 AM
42°F
30%
2mph
W
30% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
42°F
2 AM
41°F
30%
2mph
WNW
30% Chance of Light Rain
Humidity
100%
Feels like
41°F
Dew Point
41°F
3 AM
41°F
30%
2mph
NW
30% Chance of Light Rain
Humidity
100%
Feels like
41°F
Dew Point
41°F
4 AM
40°F
30%
2mph
NNE
30% Chance of Light Rain
Humidity
100%
Feels like
40°F
Dew Point
40°F
5 AM
40°F
30%
2mph
ENE
30% Chance of Light Rain
Humidity
100%
Feels like
40°F
Dew Point
40°F
6 AM
40°F
30%
2mph
ENE
30% Chance of Light Rain
Humidity
100%
Feels like
40°F
Dew Point
40°F
7 AM
40°F
30%
2mph
E
30% Chance of Light Rain
Humidity
100%
Feels like
40°F
Dew Point
40°F
8 AM
40°F
30%
2mph
E
30% Chance of Light Rain
Humidity
100%
Feels like
40°F
Dew Point
40°F
8:43 AM
9 AM
41°F
30%
2mph
E
30% Chance of Light Rain
Humidity
100%
Feels like
41°F
Dew Point
41°F
10 AM
42°F
30%
3mph
E
30% Chance of Light Rain
Humidity
98%
Feels like
42°F
Dew Point
41°F
11 AM
44°F
30%
3mph
ESE
30% Chance of Light Rain
Humidity
93%
Feels like
42°F
Dew Point
42°F
12 PM
46°F
30%
4mph
ESE
30% Chance of Light Rain
Humidity
88%
Feels like
44°F
Dew Point
42°F
1 PM
47°F
30%
4mph
ESE
30% Chance of Light Rain
Humidity
84%
Feels like
45°F
Dew Point
43°F
2 PM
48°F
30%
5mph
ESE
30% Chance of Light Rain
Humidity
83%
Feels like
46°F
Dew Point
43°F
3 PM
48°F
30%
5mph
ESE
30% Chance of Light Rain
Humidity
85%
Feels like
46°F
Dew Point
44°F
4 PM
47°F
10%
5mph
ESE
Mostly Cloudy
Humidity
88%
Feels like
45°F
Dew Point
44°F
4:57 PM
5 PM
47°F
10%
4mph
ESE
Mostly Cloudy
Humidity
92%
Feels like
45°F
Dew Point
44°F
6 PM
46°F
10%
4mph
ESE
Cloudy
Humidity
94%
Feels like
44°F
Dew Point
44°F
7 PM
46°F
10%
5mph
ESE
Cloudy
Humidity
95%
Feels like
44°F
Dew Point
45°F
8 PM
46°F
10%
5mph
ESE
Cloudy
Humidity
94%
Feels like
44°F
Dew Point
45°F
9 PM
47°F
10%
5mph
ESE
Cloudy
Humidity
92%
Feels like
44°F
Dew Point
44°F
10 PM
47°F
10%
5mph
SE
Cloudy
Humidity
90%
Feels like
45°F
Dew Point
44°F
11 PM
47°F
10%
5mph
SE
Cloudy
Humidity
90%
Feels like
45°F
Dew Point
44°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide