Hourly Weather Forecast - Cos Cob, CT

6 AM
37°F
0%
5mph
WSW
Mostly Clear
Humidity
74%
Feels like
33°F
Dew Point
30°F
7 AM
37°F
0%
5mph
WSW
Mostly Clear
Humidity
74%
Feels like
33°F
Dew Point
30°F
7:15 AM
8 AM
38°F
0%
5mph
WSW
Sunny
Humidity
70%
Feels like
34°F
Dew Point
30°F
9 AM
40°F
0%
6mph
W
Mostly Sunny
Humidity
65%
Feels like
36°F
Dew Point
29°F
10 AM
42°F
0%
6mph
W
Mostly Sunny
Humidity
59%
Feels like
38°F
Dew Point
28°F
11 AM
43°F
0%
7mph
WNW
Mostly Sunny
Humidity
53%
Feels like
39°F
Dew Point
27°F
12 PM
43°F
0%
8mph
WNW
Mostly Sunny
Humidity
49%
Feels like
39°F
Dew Point
26°F
1 PM
43°F
0%
9mph
WNW
Partly Cloudy
Humidity
46%
Feels like
38°F
Dew Point
24°F
2 PM
41°F
0%
9mph
WNW
Mostly Sunny
Humidity
45%
Feels like
35°F
Dew Point
21°F
3 PM
38°F
0%
9mph
WNW
Mostly Sunny
Humidity
46%
Feels like
32°F
Dew Point
19°F
4 PM
35°F
0%
9mph
WNW
Mostly Sunny
Humidity
48%
Feels like
28°F
Dew Point
17°F
4:29 PM
5 PM
32°F
0%
8mph
WNW
Mostly Clear
Humidity
50%
Feels like
25°F
Dew Point
15°F
6 PM
30°F
0%
8mph
WNW
Partly Cloudy
Humidity
50%
Feels like
23°F
Dew Point
14°F
7 PM
30°F
0%
7mph
WNW
Clear
Humidity
49%
Feels like
23°F
Dew Point
13°F
8 PM
29°F
0%
7mph
WNW
Clear
Humidity
50%
Feels like
22°F
Dew Point
13°F
9 PM
29°F
0%
7mph
WNW
Clear
Humidity
51%
Feels like
22°F
Dew Point
13°F
10 PM
28°F
0%
6mph
WNW
Clear
Humidity
52%
Feels like
21°F
Dew Point
13°F
11 PM
28°F
0%
6mph
WNW
Clear
Humidity
54%
Feels like
21°F
Dew Point
13°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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