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/Mist

66°F

19°C

Humidity 87%
Wind Speed E 8 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 62°F (17°C)
Visibility 2.50 mi
Last update 27 Jun 10:54 am EDT
Extended Forecast for

Somerville MA

  • Today

    Today: Isolated showers between 2pm and 3pm. Mostly sunny, with a high near 77. East wind around 7 mph. Chance of precipitation is 20%.

    High: 77 °F

    Isolated
    Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 62. Southeast wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 76. East wind 3 to 8 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Light and variable wind.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. South wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. Southwest wind 7 to 9 mph.

    High: 97 °F

    Hot

Detailed Forecast

Today
Isolated showers between 2pm and 3pm. Mostly sunny, with a high near 77. East wind around 7 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 62. Southeast wind around 6 mph becoming calm in the evening.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 76. East wind 3 to 8 mph.
Sunday Night
A slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Monday
Sunny, with a high near 84. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67. Light and variable wind.
Tuesday
A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. South wind 7 to 9 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny and hot, with a high near 97. Southwest wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 76. Southwest wind 5 to 7 mph.
Thursday
Mostly sunny and hot, with a high near 102. West wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 76. West wind 3 to 6 mph.
Friday
A chance of showers. Mostly sunny and hot, with a high near 98. Northeast wind 5 to 8 mph. Chance of precipitation is 30%.
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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:
7:48 am EDT Jun 27, 2026
Forecast Valid:
11am EDT Jun 27, 2026-6pm EDT Jul 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation