Hourly Weather Forecast - Cornwall, CT

12 AM
22°F
0%
5mph
SW
Mostly Clear
Humidity
76%
Feels like
15°F
Dew Point
16°F
1 AM
22°F
0%
5mph
SW
Mostly Clear
Humidity
75%
Feels like
15°F
Dew Point
15°F
2 AM
22°F
0%
6mph
SSW
Mostly Clear
Humidity
74%
Feels like
14°F
Dew Point
15°F
3 AM
22°F
0%
7mph
SSW
Clear
Humidity
73%
Feels like
14°F
Dew Point
15°F
4 AM
22°F
0%
7mph
SSW
Clear
Humidity
73%
Feels like
14°F
Dew Point
15°F
5 AM
22°F
0%
7mph
SSW
Mostly Clear
Humidity
74%
Feels like
14°F
Dew Point
16°F
6 AM
23°F
0%
7mph
SSW
Partly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
17°F
7 AM
24°F
0%
7mph
SSW
Cloudy
Humidity
78%
Feels like
16°F
Dew Point
18°F
7:14 AM
8 AM
26°F
0%
7mph
SSW
Cloudy
Humidity
77%
Feels like
18°F
Dew Point
20°F
9 AM
29°F
0%
7mph
SW
Mostly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
22°F
10 AM
32°F
0%
7mph
SW
Partly Cloudy
Humidity
74%
Feels like
25°F
Dew Point
24°F
11 AM
34°F
0%
8mph
SW
Partly Cloudy
Humidity
73%
Feels like
28°F
Dew Point
27°F
12 PM
37°F
0%
8mph
SW
Mostly Sunny
Humidity
72%
Feels like
31°F
Dew Point
29°F
1 PM
38°F
0%
8mph
SW
Mostly Sunny
Humidity
71%
Feels like
33°F
Dew Point
30°F
2 PM
39°F
0%
7mph
WSW
Partly Cloudy
Humidity
73%
Feels like
34°F
Dew Point
31°F
3 PM
38°F
0%
7mph
WSW
Mostly Cloudy
Humidity
75%
Feels like
33°F
Dew Point
31°F
4 PM
38°F
0%
7mph
W
Cloudy
Humidity
79%
Feels like
32°F
Dew Point
31°F
4:23 PM
5 PM
36°F
0%
6mph
W
Mostly Cloudy
Humidity
83%
Feels like
31°F
Dew Point
31°F
6 PM
35°F
0%
6mph
W
Partly Cloudy
Humidity
86%
Feels like
30°F
Dew Point
31°F
7 PM
34°F
0%
5mph
W
Partly Cloudy
Humidity
87%
Feels like
29°F
Dew Point
31°F
8 PM
33°F
0%
5mph
WNW
Mostly Clear
Humidity
88%
Feels like
28°F
Dew Point
30°F
9 PM
32°F
0%
4mph
WNW
Mostly Clear
Humidity
88%
Feels like
28°F
Dew Point
29°F
10 PM
31°F
0%
4mph
NW
Clear
Humidity
88%
Feels like
28°F
Dew Point
28°F
11 PM
30°F
0%
3mph
NW
Clear
Humidity
89%
Feels like
30°F
Dew Point
27°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.

Monday'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

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