Hourly Weather Forecast - Cornwall, CT

12 AM
17°F
10%
3mph
NNW
Mostly Cloudy
Humidity
69%
Feels like
17°F
Dew Point
9°F
1 AM
16°F
10%
3mph
NNW
Cloudy
Humidity
68%
Feels like
16°F
Dew Point
8°F
2 AM
15°F
10%
3mph
NNW
Mostly Cloudy
Humidity
67%
Feels like
15°F
Dew Point
7°F
3 AM
15°F
10%
3mph
NNW
Partly Cloudy
Humidity
67%
Feels like
15°F
Dew Point
6°F
4 AM
14°F
10%
3mph
NNW
Clear
Humidity
66%
Feels like
14°F
Dew Point
5°F
5 AM
14°F
10%
3mph
NNW
Clear
Humidity
65%
Feels like
14°F
Dew Point
4°F
6 AM
13°F
10%
3mph
NNW
Clear
Humidity
65%
Feels like
13°F
Dew Point
4°F
7 AM
14°F
10%
3mph
NNW
Clear
Humidity
63%
Feels like
9°F
Dew Point
4°F
7:21 AM
8 AM
15°F
10%
3mph
NNW
Mostly Sunny
Humidity
62%
Feels like
10°F
Dew Point
4°F
9 AM
17°F
10%
4mph
NW
Partly Cloudy
Humidity
59%
Feels like
12°F
Dew Point
6°F
10 AM
20°F
10%
4mph
NW
Cloudy
Humidity
57%
Feels like
14°F
Dew Point
7°F
11 AM
21°F
10%
4mph
NW
Mostly Cloudy
Humidity
54%
Feels like
15°F
Dew Point
8°F
12 PM
23°F
10%
5mph
NW
Mostly Cloudy
Humidity
52%
Feels like
17°F
Dew Point
8°F
1 PM
24°F
10%
5mph
NW
Partly Cloudy
Humidity
51%
Feels like
18°F
Dew Point
9°F
2 PM
24°F
10%
5mph
NW
Partly Cloudy
Humidity
50%
Feels like
18°F
Dew Point
9°F
3 PM
24°F
10%
4mph
NW
Mostly Cloudy
Humidity
51%
Feels like
18°F
Dew Point
9°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