Hourly Weather Forecast - Cornwall, CT

12 AM
21°F
30%
4mph
WSW
30% Chance Snow Showers
Humidity
81%
Feels like
16°F
Dew Point
17°F
1 AM
21°F
30%
4mph
WSW
30% Chance Snow Showers
Humidity
82%
Feels like
16°F
Dew Point
16°F
2 AM
21°F
30%
4mph
WSW
30% Chance Snow Showers
Humidity
81%
Feels like
16°F
Dew Point
17°F
3 AM
22°F
30%
4mph
WSW
30% Chance Snow Showers
Humidity
80%
Feels like
16°F
Dew Point
17°F
4 AM
22°F
30%
4mph
SW
30% Chance Snow Showers
Humidity
79%
Feels like
17°F
Dew Point
17°F
5 AM
22°F
30%
4mph
WSW
30% Chance Snow Showers
Humidity
79%
Feels like
16°F
Dew Point
17°F
6 AM
22°F
30%
4mph
WSW
30% Chance Snow Showers
Humidity
79%
Feels like
16°F
Dew Point
17°F
7 AM
22°F
30%
4mph
WSW
30% Chance Snow Showers
Humidity
78%
Feels like
16°F
Dew Point
17°F
7:12 AM
8 AM
23°F
20%
5mph
WSW
Partly Cloudy
Humidity
78%
Feels like
17°F
Dew Point
17°F
9 AM
25°F
20%
7mph
W
Partly Cloudy
Humidity
77%
Feels like
17°F
Dew Point
19°F
10 AM
26°F
30%
8mph
W
30% Chance Snow Showers
Humidity
76%
Feels like
18°F
Dew Point
19°F
11 AM
27°F
40%
8mph
W
40% Chance of Snow
Humidity
74%
Feels like
18°F
Dew Point
20°F
12 PM
27°F
40%
8mph
W
40% Chance of Snow
Humidity
73%
Feels like
19°F
Dew Point
19°F
1 PM
27°F
40%
8mph
W
40% Chance of Snow
Humidity
72%
Feels like
18°F
Dew Point
19°F
2 PM
26°F
30%
8mph
W
30% Chance of Flurries
Humidity
70%
Feels like
18°F
Dew Point
18°F
3 PM
25°F
20%
8mph
W
Cloudy
Humidity
69%
Feels like
17°F
Dew Point
17°F
4 PM
24°F
20%
8mph
W
Mostly Cloudy
Humidity
69%
Feels like
16°F
Dew Point
16°F
4:22 PM
5 PM
23°F
20%
8mph
W
Mostly Cloudy
Humidity
71%
Feels like
14°F
Dew Point
15°F
6 PM
21°F
20%
7mph
W
Mostly Cloudy
Humidity
73%
Feels like
12°F
Dew Point
14°F
7 PM
20°F
30%
7mph
W
30% Chance of Flurries
Humidity
74%
Feels like
11°F
Dew Point
13°F
8 PM
20°F
40%
7mph
W
40% Chance of Snow
Humidity
75%
Feels like
11°F
Dew Point
13°F
9 PM
19°F
40%
6mph
W
40% Chance of Snow
Humidity
76%
Feels like
11°F
Dew Point
13°F

Snowfall forecast for Monday

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic on Monday.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

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Today's National Outlook

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Snow & Ski Forecast

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