Hourly Weather Forecast - Cornwall, CT

12 AM
30°F
20%
6mph
SSW
Cloudy
Humidity
69%
Feels like
23°F
Dew Point
21°F
1 AM
30°F
30%
6mph
SSW
30% Chance of Flurries
Humidity
71%
Feels like
24°F
Dew Point
22°F
2 AM
30°F
30%
6mph
SSW
30% Chance of Flurries
Humidity
73%
Feels like
24°F
Dew Point
23°F
3 AM
30°F
30%
6mph
SSW
30% Chance of Flurries
Humidity
77%
Feels like
24°F
Dew Point
24°F
4 AM
30°F
30%
5mph
SSW
30% Chance of Flurries
Humidity
79%
Feels like
24°F
Dew Point
24°F
5 AM
30°F
40%
5mph
SSW
40% Chance of Flurries
Humidity
81%
Feels like
25°F
Dew Point
25°F
6 AM
30°F
40%
4mph
SW
40% Chance of Flurries
Humidity
82%
Feels like
26°F
Dew Point
26°F
7 AM
31°F
30%
4mph
SW
30% Chance of Flurries
Humidity
83%
Feels like
27°F
Dew Point
26°F
7:17 AM
8 AM
32°F
30%
5mph
SW
30% Chance Snow Showers
Humidity
83%
Feels like
28°F
Dew Point
28°F
9 AM
34°F
20%
5mph
WSW
Partly Cloudy
Humidity
82%
Feels like
30°F
Dew Point
29°F
10 AM
36°F
20%
6mph
WSW
Partly Cloudy
Humidity
81%
Feels like
31°F
Dew Point
31°F
11 AM
38°F
20%
6mph
WSW
Mostly Sunny
Humidity
77%
Feels like
33°F
Dew Point
31°F
12 PM
39°F
20%
6mph
WSW
Mostly Sunny
Humidity
72%
Feels like
34°F
Dew Point
31°F
1 PM
40°F
20%
6mph
W
Sunny
Humidity
69%
Feels like
36°F
Dew Point
31°F
2 PM
40°F
20%
6mph
W
Sunny
Humidity
68%
Feels like
35°F
Dew Point
30°F
3 PM
39°F
10%
6mph
W
Sunny
Humidity
69%
Feels like
35°F
Dew Point
29°F
4 PM
38°F
10%
5mph
W
Sunny
Humidity
70%
Feels like
33°F
Dew Point
29°F
4:25 PM
5 PM
36°F
10%
5mph
W
Clear
Humidity
73%
Feels like
31°F
Dew Point
28°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

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