Hourly Weather Forecast - Cornwall, CT

12 AM
21°F
0%
9mph
W
Partly Cloudy
Humidity
65%
Feels like
11°F
Dew Point
11°F
1 AM
21°F
0%
9mph
WSW
Mostly Clear
Humidity
65%
Feels like
11°F
Dew Point
11°F
2 AM
21°F
0%
8mph
WSW
Mostly Clear
Humidity
65%
Feels like
11°F
Dew Point
11°F
3 AM
21°F
0%
8mph
WSW
Mostly Clear
Humidity
65%
Feels like
11°F
Dew Point
11°F
4 AM
21°F
0%
8mph
WSW
Partly Cloudy
Humidity
65%
Feels like
11°F
Dew Point
11°F
5 AM
21°F
0%
8mph
WSW
Partly Cloudy
Humidity
67%
Feels like
12°F
Dew Point
12°F
6 AM
21°F
0%
7mph
WSW
Mostly Cloudy
Humidity
69%
Feels like
12°F
Dew Point
13°F
7 AM
22°F
10%
7mph
WSW
Cloudy
Humidity
70%
Feels like
13°F
Dew Point
13°F
7:20 AM
8 AM
23°F
10%
7mph
WSW
Cloudy
Humidity
70%
Feels like
14°F
Dew Point
14°F
9 AM
24°F
10%
7mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
16°F
Dew Point
15°F
10 AM
26°F
10%
9mph
WSW
Mostly Cloudy
Humidity
67%
Feels like
17°F
Dew Point
16°F
11 AM
27°F
10%
9mph
WSW
Partly Cloudy
Humidity
66%
Feels like
18°F
Dew Point
17°F
12 PM
28°F
10%
9mph
WSW
Mostly Cloudy
Humidity
65%
Feels like
19°F
Dew Point
18°F
1 PM
28°F
20%
9mph
WSW
Mostly Cloudy
Humidity
65%
Feels like
20°F
Dew Point
18°F
2 PM
28°F
20%
8mph
WSW
Mostly Cloudy
Humidity
64%
Feels like
20°F
Dew Point
18°F
3 PM
28°F
30%
8mph
WSW
30% Chance of Heavy Snow
Humidity
65%
Feels like
20°F
Dew Point
18°F
4 PM
28°F
30%
6mph
WSW
30% Chance of Heavy Snow
Humidity
66%
Feels like
20°F
Dew Point
17°F
4:32 PM
5 PM
27°F
30%
6mph
SW
30 % Chance of Heavy Snow
Humidity
68%
Feels like
20°F
Dew Point
17°F
6 PM
26°F
30%
5mph
SW
30 % Chance of Heavy Snow
Humidity
71%
Feels like
19°F
Dew Point
17°F
7 PM
25°F
30%
5mph
SW
30 % Chance of Heavy Snow
Humidity
73%
Feels like
18°F
Dew Point
18°F
8 PM
25°F
30%
5mph
SW
30 % Chance of Heavy Snow
Humidity
76%
Feels like
18°F
Dew Point
18°F
9 PM
25°F
30%
5mph
SW
30 % Chance of Heavy Snow
Humidity
78%
Feels like
18°F
Dew Point
19°F
10 PM
25°F
20%
5mph
SW
Cloudy
Humidity
80%
Feels like
18°F
Dew Point
19°F
11 PM
24°F
30%
5mph
SW
30% Chance of Flurries
Humidity
82%
Feels like
18°F
Dew Point
20°F

Snow and Ice Forecast Through Monday

Storm Brings Heavy Midwestern Snow, New England Icing

A winter storm will deliver snow and significant icing from the Midwest to New England.

Tuesday's Weather Outlook

Tuesday's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide