Hourly Weather Forecast - Cornwall, CT

12 AM
22°F
0%
5mph
SSW
Mostly Clear
Humidity
81%
Feels like
15°F
Dew Point
17°F
1 AM
22°F
0%
6mph
SSW
Mostly Clear
Humidity
79%
Feels like
15°F
Dew Point
17°F
2 AM
22°F
10%
6mph
SSW
Partly Cloudy
Humidity
78%
Feels like
15°F
Dew Point
17°F
3 AM
23°F
10%
6mph
SSW
Partly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
17°F
4 AM
23°F
0%
6mph
SSW
Partly Cloudy
Humidity
76%
Feels like
15°F
Dew Point
17°F
5 AM
23°F
0%
6mph
SSW
Partly Cloudy
Humidity
76%
Feels like
15°F
Dew Point
17°F
6 AM
23°F
0%
7mph
SSW
Mostly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
17°F
7 AM
24°F
0%
7mph
SSW
Mostly Cloudy
Humidity
77%
Feels like
16°F
Dew Point
18°F
7:14 AM
8 AM
26°F
10%
7mph
SSW
Partly Cloudy
Humidity
75%
Feels like
19°F
Dew Point
20°F
9 AM
29°F
10%
7mph
SSW
Partly Cloudy
Humidity
72%
Feels like
22°F
Dew Point
22°F
10 AM
33°F
10%
8mph
SW
Mostly Sunny
Humidity
70%
Feels like
26°F
Dew Point
24°F
11 AM
35°F
10%
8mph
SW
Sunny
Humidity
68%
Feels like
28°F
Dew Point
25°F
12 PM
37°F
10%
8mph
SW
Sunny
Humidity
66%
Feels like
31°F
Dew Point
27°F
1 PM
38°F
10%
8mph
SW
Sunny
Humidity
65%
Feels like
33°F
Dew Point
28°F
2 PM
39°F
10%
7mph
SW
Mostly Sunny
Humidity
66%
Feels like
34°F
Dew Point
29°F
3 PM
38°F
10%
7mph
WSW
Partly Cloudy
Humidity
69%
Feels like
33°F
Dew Point
29°F
4 PM
37°F
10%
6mph
WSW
Partly Cloudy
Humidity
72%
Feels like
33°F
Dew Point
29°F
4:23 PM
5 PM
36°F
10%
5mph
WSW
Partly Cloudy
Humidity
77%
Feels like
32°F
Dew Point
29°F
6 PM
35°F
10%
5mph
W
Mostly Clear
Humidity
81%
Feels like
30°F
Dew Point
29°F
7 PM
33°F
10%
4mph
W
Mostly Clear
Humidity
85%
Feels like
29°F
Dew Point
29°F
8 PM
33°F
10%
4mph
WNW
Mostly Clear
Humidity
87%
Feels like
29°F
Dew Point
29°F
9 PM
32°F
10%
3mph
WNW
Partly Cloudy
Humidity
88%
Feels like
29°F
Dew Point
29°F
10 PM
32°F
10%
3mph
NW
Partly Cloudy
Humidity
88%
Feels like
29°F
Dew Point
29°F
11 PM
31°F
10%
3mph
NW
Partly Cloudy
Humidity
88%
Feels like
28°F
Dew Point
28°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 A.M.

Snow Spreads Across the Midwest 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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