National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

44°F

7°C

Humidity 83%
Wind Speed Calm
Barometer 30.01 in (1016.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Mar 3:54 am EDT
Extended Forecast for

Somerville MA

  • Today

    Today: A slight chance of rain between 8am and 5pm. Mostly cloudy, with a high near 48. Northeast wind around 7 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of rain, with thunderstorms also possible after 11pm. Mostly cloudy, with a temperature rising to around 56 by 2am. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 46 °F⇑

    Chance Rain

  • Thursday

    Thursday: Rain, mainly before 4pm. Temperature falling to around 40 by 5pm. Southwest wind 10 to 14 mph becoming west in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F⇓

    Rain

  • Thursday Night

    Thursday Night: A chance of snow, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 46. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after 7pm. Mostly cloudy, with a low around 38. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 11 to 17 mph, with gusts as high as 31 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of rain between 8am and 5pm. Mostly cloudy, with a high near 48. Northeast wind around 7 mph. Chance of precipitation is 20%.
Tonight
A chance of rain, with thunderstorms also possible after 11pm. Mostly cloudy, with a temperature rising to around 56 by 2am. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday
Rain, mainly before 4pm. Temperature falling to around 40 by 5pm. Southwest wind 10 to 14 mph becoming west in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of snow, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 46. South wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of rain, mainly after 7pm. Mostly cloudy, with a low around 38. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 48. West wind 11 to 17 mph, with gusts as high as 31 mph.
Saturday Night
Partly cloudy, with a low around 29. West wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 47. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 38. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Monday
Rain. High near 59. South wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 33. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 42. West wind around 11 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
2:50 am EDT Mar 11, 2026
Forecast Valid:
4am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation