Hourly Weather Forecast - Sommerville, MA

12 AM
28°F
0%
4mph
SW
Mostly Clear
Humidity
69%
Feels like
23°F
Dew Point
19°F
1 AM
28°F
0%
5mph
SW
Mostly Clear
Humidity
70%
Feels like
23°F
Dew Point
20°F
2 AM
28°F
0%
5mph
SW
Mostly Clear
Humidity
68%
Feels like
22°F
Dew Point
19°F
3 AM
29°F
0%
6mph
SW
Partly Cloudy
Humidity
66%
Feels like
22°F
Dew Point
19°F
4 AM
29°F
0%
6mph
SW
Partly Cloudy
Humidity
66%
Feels like
22°F
Dew Point
19°F
5 AM
29°F
0%
7mph
SW
Mostly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
20°F
6 AM
31°F
0%
7mph
SW
Mostly Cloudy
Humidity
65%
Feels like
24°F
Dew Point
20°F
7 AM
33°F
0%
8mph
SW
Mostly Cloudy
Humidity
63%
Feels like
26°F
Dew Point
21°F
7:07 AM
8 AM
35°F
0%
8mph
SW
Mostly Cloudy
Humidity
58%
Feels like
29°F
Dew Point
22°F
9 AM
38°F
0%
9mph
SW
Partly Cloudy
Humidity
54%
Feels like
32°F
Dew Point
24°F
10 AM
41°F
0%
9mph
SW
Partly Cloudy
Humidity
51%
Feels like
36°F
Dew Point
25°F
11 AM
43°F
0%
9mph
SW
Partly Cloudy
Humidity
51%
Feels like
38°F
Dew Point
26°F
12 PM
44°F
0%
10mph
SW
Partly Cloudy
Humidity
53%
Feels like
39°F
Dew Point
28°F
1 PM
45°F
0%
10mph
SW
Partly Cloudy
Humidity
54%
Feels like
40°F
Dew Point
29°F
2 PM
45°F
0%
9mph
SW
Partly Cloudy
Humidity
55%
Feels like
40°F
Dew Point
29°F
3 PM
44°F
0%
8mph
SW
Mostly Cloudy
Humidity
57%
Feels like
39°F
Dew Point
29°F
4 PM
42°F
10%
7mph
WSW
Mostly Cloudy
Humidity
60%
Feels like
38°F
Dew Point
29°F
4:13 PM
5 PM
41°F
10%
7mph
WSW
Partly Cloudy
Humidity
63%
Feels like
36°F
Dew Point
29°F
6 PM
39°F
10%
6mph
WSW
Partly Cloudy
Humidity
65%
Feels like
34°F
Dew Point
29°F
7 PM
38°F
10%
6mph
WSW
Partly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
28°F
8 PM
37°F
10%
6mph
WSW
Mostly Clear
Humidity
67%
Feels like
32°F
Dew Point
27°F
9 PM
36°F
10%
5mph
WSW
Mostly Clear
Humidity
69%
Feels like
32°F
Dew Point
27°F
10 PM
36°F
10%
4mph
W
Mostly Clear
Humidity
71%
Feels like
32°F
Dew Point
27°F
11 PM
35°F
10%
4mph
W
Mostly Clear
Humidity
72%
Feels like
32°F
Dew Point
27°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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