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

79°F

26°C

Humidity 62%
Wind Speed Calm
Barometer 29.91 in (1012.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 30 Jul 7:54 pm EDT
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: Partly cloudy, with a low around 70. West wind around 6 mph becoming north after midnight.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Northeast wind 8 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Patchy fog after 3am. Low around 61. Northeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, mainly before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 67. Northeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers, mainly before 9pm. Partly cloudy, with a low around 58. North wind around 6 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 78. North wind around 7 mph becoming east in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Southwest wind 5 to 7 mph.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. West wind around 6 mph becoming north after midnight.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Northeast wind 8 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Patchy fog after 3am. Low around 61. Northeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 67. Northeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers, mainly before 9pm. Partly cloudy, with a low around 58. North wind around 6 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 78. North wind around 7 mph becoming east in the afternoon.
Saturday Night
Mostly clear, with a low around 59. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 64. Southwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 87. South wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 65. Southwest wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 82. East wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
6:24 pm EDT Jul 30, 2025
Forecast Valid:
8pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025
 
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Additional Resources

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Chance of Precipitation