Hourly Weather Forecast - Sommerville, MA

12 AM
34°F
0%
4mph
W
Mostly Clear
Humidity
73%
Feels like
31°F
Dew Point
26°F
1 AM
33°F
0%
3mph
W
Mostly Clear
Humidity
75%
Feels like
31°F
Dew Point
26°F
2 AM
33°F
0%
3mph
W
Clear
Humidity
74%
Feels like
33°F
Dew Point
26°F
3 AM
32°F
0%
2mph
W
Clear
Humidity
73%
Feels like
32°F
Dew Point
24°F
4 AM
31°F
0%
2mph
W
Clear
Humidity
74%
Feels like
31°F
Dew Point
24°F
5 AM
31°F
0%
1mph
W
Clear
Humidity
74%
Feels like
31°F
Dew Point
23°F
6 AM
31°F
0%
1mph
W
Clear
Humidity
73%
Feels like
31°F
Dew Point
23°F
7 AM
31°F
0%
0mph
WSW
Mostly Clear
Humidity
70%
Feels like
31°F
Dew Point
23°F
7:08 AM
8 AM
33°F
0%
0mph
WSW
Mostly Sunny
Humidity
65%
Feels like
33°F
Dew Point
22°F
9 AM
35°F
0%
1mph
SW
Partly Cloudy
Humidity
59%
Feels like
35°F
Dew Point
22°F
10 AM
37°F
0%
1mph
SW
Partly Cloudy
Humidity
54%
Feels like
37°F
Dew Point
22°F
11 AM
39°F
0%
2mph
SSW
Partly Cloudy
Humidity
51%
Feels like
39°F
Dew Point
22°F
12 PM
41°F
0%
3mph
S
Partly Cloudy
Humidity
49%
Feels like
41°F
Dew Point
24°F
1 PM
43°F
0%
4mph
S
Partly Cloudy
Humidity
50%
Feels like
41°F
Dew Point
25°F
2 PM
43°F
0%
4mph
S
Partly Cloudy
Humidity
53%
Feels like
41°F
Dew Point
27°F
3 PM
42°F
10%
4mph
S
Partly Cloudy
Humidity
58%
Feels like
40°F
Dew Point
29°F
4 PM
41°F
0%
4mph
SSE
Mostly Cloudy
Humidity
64%
Feels like
39°F
Dew Point
30°F
4:13 PM
5 PM
41°F
0%
4mph
SSE
Mostly Cloudy
Humidity
70%
Feels like
38°F
Dew Point
32°F
6 PM
41°F
10%
4mph
SSE
Partly Cloudy
Humidity
75%
Feels like
38°F
Dew Point
33°F
7 PM
41°F
10%
5mph
S
Partly Cloudy
Humidity
79%
Feels like
37°F
Dew Point
35°F
8 PM
42°F
10%
6mph
S
Partly Cloudy
Humidity
83%
Feels like
38°F
Dew Point
37°F
9 PM
43°F
10%
7mph
S
Partly Cloudy
Humidity
86%
Feels like
39°F
Dew Point
40°F
10 PM
45°F
20%
8mph
S
Mostly Cloudy
Humidity
89%
Feels like
40°F
Dew Point
42°F
11 PM
46°F
20%
9mph
S
Partly Cloudy
Humidity
90%
Feels like
42°F
Dew Point
44°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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