National Weather Service Forecast for: Somerville MA
Issued by: National Weather Service Norton, MA
Updated: 5:35 am EDT Jun 22, 2026
 
Today

Today: A chance of showers, mainly after 3pm.  Increasing clouds, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Partly Sunny
then Chance
Showers
Tonight

Tonight: Showers and possibly a thunderstorm.  Patchy fog after 10pm. Low around 63. Southeast wind around 8 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and
Patchy Fog

Tuesday

Tuesday: Showers and possibly a thunderstorm before noon, then showers likely.  Patchy fog before noon. High near 79. South wind 6 to 8 mph becoming northwest in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Showers and
Patchy Fog

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 62. Northwest wind 3 to 5 mph.
Partly Cloudy

Wednesday

Wednesday: Sunny, with a high near 86. Northwest wind 6 to 9 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 64. Light west wind.
Mostly Clear

Thursday

Thursday: Mostly sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the afternoon.
Mostly Sunny

Thursday
Night
Thursday Night: A chance of showers after 1am.  Mostly cloudy, with a low around 66. South wind around 6 mph.  Chance of precipitation is 40%.
Mostly Cloudy
then Chance
Showers
Friday

Friday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 82. South wind 6 to 11 mph.  Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
Hi 80 °F Lo 63 °F Hi 79 °F Lo 62 °F Hi 86 °F Lo 64 °F Hi 87 °F Lo 66 °F Hi 82 °F

 

Today
 
A chance of showers, mainly after 3pm. Increasing clouds, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
Showers and possibly a thunderstorm. Patchy fog after 10pm. Low around 63. Southeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
Showers and possibly a thunderstorm before noon, then showers likely. Patchy fog before noon. High near 79. South wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
 
Partly cloudy, with a low around 62. Northwest wind 3 to 5 mph.
Wednesday
 
Sunny, with a high near 86. Northwest wind 6 to 9 mph.
Wednesday Night
 
Mostly clear, with a low around 64. Light west wind.
Thursday
 
Mostly sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
 
A chance of showers after 1am. Mostly cloudy, with a low around 66. South wind around 6 mph. Chance of precipitation is 40%.
Friday
 
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. South wind 6 to 11 mph. Chance of precipitation is 50%.
Friday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. West wind 3 to 7 mph. Chance of precipitation is 40%.
Saturday
 
A chance of showers. Mostly sunny, with a high near 84. West wind 3 to 8 mph. Chance of precipitation is 30%.
Saturday Night
 
Partly cloudy, with a low around 67. West wind 3 to 5 mph.
Sunday
 
Sunny, with a high near 85. Light and variable wind becoming north 5 to 7 mph in the morning.

 

Forecast from NOAA-NWS for Somerville MA.