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

75°F

24°C

Humidity 45%
Wind Speed W 14 G 35 mph
Barometer 29.60 in (1002.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 10:54 am EDT
Extended Forecast for

Somerville MA

  • Today

    Today: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 82. West wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind 5 to 9 mph becoming light after midnight.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Increasing clouds, with a high near 83. West wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 83 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 2pm. Partly sunny, with a high near 78. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 63. Southeast wind 7 to 9 mph becoming southwest after midnight. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am. Mostly sunny, with a high near 82. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

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

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Northwest wind 3 to 7 mph.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 82. West wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 62. West wind 5 to 9 mph becoming light after midnight.
Sunday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Increasing clouds, with a high near 83. West wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 62. Calm wind.
Monday
Showers likely, mainly after 2pm. Partly sunny, with a high near 78. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 63. Southeast wind 7 to 9 mph becoming southwest after midnight. Chance of precipitation is 90%.
Tuesday
A chance of showers before 8am. Mostly sunny, with a high near 82. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 64. Light west wind.
Wednesday
Sunny, with a high near 85. Northwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 65. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 83. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening.
Friday
A chance of showers. Partly sunny, with a high near 83. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
4:30 am EDT Jun 20, 2026
Forecast Valid:
11am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation