Hourly Weather Forecast - Groton, MA

11 AM
30°F
30%
2mph
S
30% Chance of Snow
Humidity
96%
Feels like
30°F
Dew Point
29°F
12 PM
32°F
0%
2mph
SSW
Cloudy
Humidity
93%
Feels like
32°F
Dew Point
30°F
1 PM
34°F
0%
3mph
SSW
Cloudy
Humidity
91%
Feels like
34°F
Dew Point
32°F
2 PM
35°F
0%
3mph
SSW
Mostly Cloudy
Humidity
90%
Feels like
35°F
Dew Point
32°F
3 PM
35°F
0%
2mph
SSW
Partly Cloudy
Humidity
90%
Feels like
35°F
Dew Point
32°F
4 PM
33°F
0%
2mph
SSW
Hazy
Humidity
91%
Feels like
33°F
Dew Point
31°F
4:12 PM
5 PM
32°F
0%
2mph
SW
Hazy
Humidity
94%
Feels like
32°F
Dew Point
30°F
6 PM
30°F
0%
2mph
SW
Mostly Clear
Humidity
90%
Feels like
30°F
Dew Point
28°F
7 PM
29°F
0%
3mph
SW
Hazy
Humidity
91%
Feels like
29°F
Dew Point
27°F
8 PM
28°F
0%
3mph
WSW
Partly Cloudy
Humidity
93%
Feels like
28°F
Dew Point
26°F
9 PM
27°F
0%
3mph
WSW
Partly Cloudy
Humidity
92%
Feels like
27°F
Dew Point
25°F
10 PM
27°F
0%
3mph
WSW
Partly Cloudy
Humidity
92%
Feels like
27°F
Dew Point
25°F
11 PM
26°F
0%
3mph
WSW
Mostly Clear
Humidity
89%
Feels like
26°F
Dew Point
24°F

Snowfall Forecast Through Tonight

Two Winter Storms Deliver Accumulating Northern U.S. Snow

A plowable snow will occur from parts of the Pacific Northwest to the Upper Midwest for the start of the weekend.

Weekend Weather Outlook

Weekend 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)

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Image courtesy of PeakPX.

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