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.

Mostly Cloudy

64°F

18°C

Humidity 87%
Wind Speed E 9 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 30 Sep 3:54 pm EDT
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 79. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. Southwest wind around 7 mph.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 57. West wind around 8 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 67. Northwest wind 6 to 8 mph becoming northeast in the afternoon.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 58. Light and variable wind.
Thursday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 79. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 67. Southwest wind around 7 mph.
Friday
Mostly sunny, with a high near 81. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 57. West wind around 8 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 67. Northwest wind 6 to 8 mph becoming northeast in the afternoon.
Saturday Night
Mostly clear, with a low around 49. Calm wind.
Sunday
Mostly sunny, with a high near 63. Light and variable wind becoming east 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 67. Southwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 44. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 56. Northwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 41. Northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 59. Southwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
2:45 pm EDT Sep 30, 2026
Forecast Valid:
4pm EDT Sep 30, 2026-6pm EDT Oct 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation