Hourly Weather Forecast - Cos Cob, CT

12 AM
34°F
10%
6mph
SW
Cloudy
Humidity
71%
Feels like
28°F
Dew Point
26°F
1 AM
35°F
10%
6mph
SW
Cloudy
Humidity
72%
Feels like
29°F
Dew Point
26°F
2 AM
35°F
20%
6mph
SW
Cloudy
Humidity
73%
Feels like
29°F
Dew Point
27°F
3 AM
35°F
20%
6mph
SW
Mostly Cloudy
Humidity
75%
Feels like
30°F
Dew Point
28°F
4 AM
35°F
20%
5mph
SW
Mostly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
28°F
5 AM
35°F
20%
5mph
SW
Mostly Cloudy
Humidity
76%
Feels like
31°F
Dew Point
28°F
6 AM
35°F
20%
5mph
SW
Mostly Cloudy
Humidity
76%
Feels like
31°F
Dew Point
29°F
7 AM
36°F
20%
5mph
WSW
Mostly Cloudy
Humidity
75%
Feels like
32°F
Dew Point
29°F
7:15 AM
8 AM
37°F
10%
5mph
WSW
Mostly Cloudy
Humidity
73%
Feels like
33°F
Dew Point
30°F
9 AM
39°F
10%
6mph
WSW
Partly Cloudy
Humidity
70%
Feels like
35°F
Dew Point
30°F
10 AM
41°F
10%
7mph
WSW
Partly Cloudy
Humidity
67%
Feels like
36°F
Dew Point
31°F
11 AM
42°F
10%
7mph
WSW
Partly Cloudy
Humidity
64%
Feels like
37°F
Dew Point
31°F
12 PM
43°F
10%
8mph
W
Partly Cloudy
Humidity
61%
Feels like
38°F
Dew Point
31°F
1 PM
44°F
10%
8mph
W
Partly Cloudy
Humidity
59%
Feels like
39°F
Dew Point
30°F
2 PM
43°F
10%
8mph
W
Partly Cloudy
Humidity
58%
Feels like
39°F
Dew Point
29°F
3 PM
43°F
10%
8mph
W
Partly Cloudy
Humidity
58%
Feels like
38°F
Dew Point
29°F
4 PM
42°F
10%
7mph
W
Mostly Cloudy
Humidity
59%
Feels like
37°F
Dew Point
29°F
4:29 PM
5 PM
41°F
10%
7mph
W
Mostly Cloudy
Humidity
61%
Feels like
36°F
Dew Point
28°F
6 PM
40°F
10%
6mph
W
Mostly Cloudy
Humidity
62%
Feels like
35°F
Dew Point
28°F
7 PM
39°F
10%
6mph
WNW
Mostly Cloudy
Humidity
63%
Feels like
34°F
Dew Point
27°F
8 PM
38°F
10%
5mph
WNW
Mostly Cloudy
Humidity
63%
Feels like
34°F
Dew Point
26°F
9 PM
37°F
10%
4mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
26°F
10 PM
36°F
10%
4mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
26°F
11 PM
36°F
10%
4mph
WNW
Mostly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
26°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.

Tuesday's Weather Outlook

Tuesday'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