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.

Fog

35°F

2°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 35°F (2°C)
Visibility 0.50 mi
Wind Chill31°F (-1°C)
Last update 7 Mar 7:54 am EST
Extended Forecast for

Somerville MA

  • Today

    Today: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A chance of rain, mainly after 10pm. Patchy fog before 1am. Otherwise, mostly cloudy, with a temperature rising to around 51 by 3am. Southwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 44 °F⇑

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A slight chance of rain before 2pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. West wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Southwest wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. Southwest wind 5 to 7 mph.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Southwest wind 5 to 7 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain after 7am. Cloudy, with a high near 56. South wind 6 to 10 mph. Chance of precipitation is 50%.

    High: 56 °F

    Chance Rain

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tonight
A chance of rain, mainly after 10pm. Patchy fog before 1am. Otherwise, mostly cloudy, with a temperature rising to around 51 by 3am. Southwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday
A slight chance of rain before 2pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. West wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 38. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 60. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 42. Southwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 66. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 43. South wind around 6 mph.
Wednesday
A chance of rain after 7am. Cloudy, with a high near 56. South wind 6 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Rain likely, mainly after 4am. Cloudy, with a low around 41. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 51. South wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 26. West wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 43. West wind 8 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.12°W (Elev. 46 ft)
Last Update:
7:57 am EST Mar 7, 2026
Forecast Valid:
8am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation