Hourly Weather Forecast - Sommerville, MA

6 PM
35°F
0%
3mph
SW
Mostly Cloudy
Humidity
64%
Feels like
35°F
Dew Point
24°F
7 PM
35°F
0%
2mph
SW
Cloudy
Humidity
67%
Feels like
35°F
Dew Point
25°F
8 PM
35°F
0%
2mph
WSW
Cloudy
Humidity
69%
Feels like
35°F
Dew Point
25°F
9 PM
34°F
10%
2mph
WSW
Cloudy
Humidity
70%
Feels like
34°F
Dew Point
26°F
10 PM
34°F
10%
2mph
WSW
Cloudy
Humidity
71%
Feels like
34°F
Dew Point
26°F
11 PM
34°F
30%
2mph
WSW
30% Chance of Snow
Humidity
72%
Feels like
34°F
Dew Point
26°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 A.M.

Snow Spreads Across the Midwest 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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