Hourly Weather Forecast - Groton, CT

9 AM
24°F
0%
15mph
W
Mostly Sunny
Humidity
42%
Feels like
12°F
Dew Point
5°F
10 AM
26°F
0%
15mph
W
Sunny
Humidity
39%
Feels like
14°F
Dew Point
5°F
11 AM
28°F
0%
15mph
W
Sunny
Humidity
37%
Feels like
16°F
Dew Point
5°F
12 PM
29°F
0%
15mph
W
Sunny
Humidity
36%
Feels like
18°F
Dew Point
6°F
1 PM
30°F
0%
15mph
W
Sunny
Humidity
35%
Feels like
20°F
Dew Point
6°F
2 PM
31°F
0%
14mph
W
Sunny
Humidity
34%
Feels like
21°F
Dew Point
6°F
3 PM
31°F
0%
13mph
W
Mostly Sunny
Humidity
36%
Feels like
21°F
Dew Point
7°F
4 PM
31°F
0%
12mph
W
Partly Cloudy
Humidity
38%
Feels like
21°F
Dew Point
8°F
4:44 PM
5 PM
30°F
0%
10mph
W
Partly Cloudy
Humidity
42%
Feels like
21°F
Dew Point
10°F
6 PM
29°F
0%
9mph
WSW
Partly Cloudy
Humidity
46%
Feels like
20°F
Dew Point
11°F
7 PM
28°F
0%
8mph
WSW
Partly Cloudy
Humidity
50%
Feels like
20°F
Dew Point
12°F
8 PM
28°F
0%
8mph
WSW
Clear
Humidity
54%
Feels like
20°F
Dew Point
14°F
9 PM
28°F
0%
8mph
SW
Clear
Humidity
57%
Feels like
20°F
Dew Point
15°F
10 PM
29°F
0%
9mph
SW
Partly Cloudy
Humidity
60%
Feels like
21°F
Dew Point
17°F
11 PM
29°F
0%
8mph
SW
Partly Cloudy
Humidity
62%
Feels like
21°F
Dew Point
18°F

Snow Forecast through Saturday

Multiple Snowy Systems Hit Great Lakes, Northeast

An exiting low pressure system will produce additional light snow across Maine while a new disturbance will track across the Upper Midwest and Great Lakes.

Friday's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

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