Hourly Weather Forecast - Cos Cob, CT

12 AM
49°F
70%
8mph
SSW
70% Chance of Rain
Humidity
91%
Feels like
46°F
Dew Point
47°F
1 AM
51°F
70%
9mph
SSW
70% Chance of Rain
Humidity
90%
Feels like
51°F
Dew Point
48°F
2 AM
52°F
70%
10mph
SSW
70% Chance of Rain
Humidity
88%
Feels like
52°F
Dew Point
49°F
3 AM
53°F
70%
11mph
SSW
70% Chance of Light Rain
Humidity
87%
Feels like
53°F
Dew Point
49°F
4 AM
53°F
70%
11mph
SSW
70% Chance of Light Rain
Humidity
85%
Feels like
53°F
Dew Point
49°F
5 AM
53°F
70%
12mph
SSW
70% Chance of Light Rain
Humidity
84%
Feels like
53°F
Dew Point
48°F
6 AM
51°F
70%
13mph
SW
70% Chance of Light Rain
Humidity
85%
Feels like
51°F
Dew Point
47°F
7 AM
49°F
60%
13mph
SW
60% Chance of Light Rain
Humidity
89%
Feels like
44°F
Dew Point
46°F
7:14 AM
8 AM
47°F
50%
13mph
WSW
50% Chance of Light Rain
Humidity
81%
Feels like
41°F
Dew Point
41°F
9 AM
45°F
40%
12mph
W
40% Chance of Light Rain
Humidity
77%
Feels like
39°F
Dew Point
38°F
10 AM
44°F
30%
11mph
W
30% Chance of Light Rain
Humidity
72%
Feels like
39°F
Dew Point
36°F
11 AM
44°F
20%
10mph
W
Mostly Cloudy
Humidity
68%
Feels like
38°F
Dew Point
33°F
12 PM
43°F
10%
9mph
W
Partly Cloudy
Humidity
65%
Feels like
37°F
Dew Point
32°F
1 PM
42°F
10%
9mph
W
Mostly Sunny
Humidity
62%
Feels like
37°F
Dew Point
30°F
2 PM
41°F
10%
9mph
W
Partly Cloudy
Humidity
59%
Feels like
36°F
Dew Point
28°F
3 PM
40°F
10%
9mph
W
Partly Cloudy
Humidity
58%
Feels like
34°F
Dew Point
26°F
4 PM
38°F
10%
9mph
WNW
Partly Cloudy
Humidity
57%
Feels like
32°F
Dew Point
24°F
4:28 PM
5 PM
37°F
0%
9mph
WNW
Partly Cloudy
Humidity
55%
Feels like
30°F
Dew Point
22°F
6 PM
35°F
0%
10mph
WNW
Partly Cloudy
Humidity
54%
Feels like
27°F
Dew Point
20°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

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

Cold Air Damming - Cause And Effects

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