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

41°F

5°C

Humidity 62%
Wind Speed SW 18 mph
Barometer 29.74 in (1007.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 14 Mar 6:54 am EDT
Extended Forecast for

Somerville MA

  • Today

    Today: Scattered sprinkles between 1pm and 2pm. Mostly cloudy, with a high near 45. Breezy, with a west wind 10 to 20 mph, with gusts as high as 40 mph.

    High: 45 °F

    Mostly Cloudy
    then Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 6 to 13 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 42. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 35. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, with thunderstorms also possible after 2pm. High near 63. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 63 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly before 5am. Low around 44. Breezy, with a south wind 15 to 21 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.

    Low: 44 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: A chance of rain before 8am. Partly sunny, with a high near 51. West wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41. West wind around 7 mph.

    High: 41 °F

    Sunny

Detailed Forecast

Today
Scattered sprinkles between 1pm and 2pm. Mostly cloudy, with a high near 45. Breezy, with a west wind 10 to 20 mph, with gusts as high as 40 mph.
Tonight
Mostly clear, with a low around 30. West wind 6 to 13 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 42. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 35. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain, with thunderstorms also possible after 2pm. High near 63. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Monday Night
Rain, mainly before 5am. Low around 44. Breezy, with a south wind 15 to 21 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.
Tuesday
A chance of rain before 8am. Partly sunny, with a high near 51. West wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 24. West wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 41. West wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 46. Light south wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 32. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 50. Southwest wind 5 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.12°W (Elev. 46 ft)
Last Update:
3:06 am EDT Mar 14, 2026
Forecast Valid:
7am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation