Hourly Weather Forecast - Cornwall, CT

12 AM
21°F
10%
2mph
WNW
Mostly Cloudy
Humidity
62%
Feels like
21°F
Dew Point
10°F
1 AM
21°F
10%
2mph
W
Cloudy
Humidity
63%
Feels like
21°F
Dew Point
10°F
2 AM
21°F
10%
2mph
W
Cloudy
Humidity
64%
Feels like
21°F
Dew Point
11°F
3 AM
21°F
10%
2mph
WSW
Cloudy
Humidity
65%
Feels like
21°F
Dew Point
11°F
4 AM
22°F
10%
2mph
SW
Cloudy
Humidity
65%
Feels like
22°F
Dew Point
12°F
5 AM
22°F
20%
2mph
SSW
Cloudy
Humidity
64%
Feels like
22°F
Dew Point
12°F
6 AM
22°F
20%
2mph
SSW
Cloudy
Humidity
63%
Feels like
22°F
Dew Point
12°F
7 AM
23°F
20%
3mph
SSW
Cloudy
Humidity
63%
Feels like
19°F
Dew Point
13°F
7:18 AM
8 AM
25°F
30%
4mph
SSW
30% Chance of Flurries
Humidity
64%
Feels like
20°F
Dew Point
14°F
9 AM
27°F
30%
5mph
SSW
30% Chance of Flurries
Humidity
64%
Feels like
21°F
Dew Point
16°F
10 AM
28°F
30%
5mph
SSW
30% Chance of Flurries
Humidity
65%
Feels like
22°F
Dew Point
18°F
11 AM
29°F
20%
6mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
23°F
Dew Point
19°F
12 PM
30°F
20%
6mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
24°F
Dew Point
20°F
1 PM
31°F
30%
6mph
SSW
30% Chance of Snow
Humidity
66%
Feels like
25°F
Dew Point
21°F
2 PM
32°F
30%
6mph
SSW
30% Chance of Snow
Humidity
67%
Feels like
26°F
Dew Point
22°F
3 PM
32°F
30%
6mph
SSW
30% Chance of Snow
Humidity
68%
Feels like
27°F
Dew Point
23°F
4 PM
32°F
40%
5mph
SSW
40% Chance of Snow
Humidity
70%
Feels like
27°F
Dew Point
24°F
4:26 PM
5 PM
32°F
40%
5mph
SSW
40% Chance of Snow
Humidity
72%
Feels like
28°F
Dew Point
24°F
6 PM
32°F
40%
4mph
SW
40% Chance of Flurries
Humidity
75%
Feels like
27°F
Dew Point
25°F
7 PM
31°F
30%
4mph
SW
30% Chance of Flurries
Humidity
78%
Feels like
27°F
Dew Point
26°F
8 PM
31°F
30%
4mph
SW
30% Chance of Flurries
Humidity
81%
Feels like
28°F
Dew Point
26°F
9 PM
31°F
20%
3mph
SW
Cloudy
Humidity
84%
Feels like
28°F
Dew Point
27°F
10 PM
31°F
20%
3mph
WSW
Cloudy
Humidity
86%
Feels like
28°F
Dew Point
27°F
11 PM
31°F
20%
3mph
WSW
Cloudy
Humidity
87%
Feels like
31°F
Dew Point
28°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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