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.

A Few Clouds

68°F

20°C

Humidity 87%
Wind Speed S 7 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Sep 8:54 pm EDT
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: Clear, with a low around 61. Light and variable wind becoming west around 5 mph after midnight.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. Northwest wind 6 to 9 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51. North wind around 6 mph.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 68. North wind around 6 mph becoming east in the afternoon.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. South wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75. South wind 3 to 7 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Southwest wind around 6 mph.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 61. Light and variable wind becoming west around 5 mph after midnight.
Friday
Sunny, with a high near 77. Northwest wind 6 to 9 mph.
Friday Night
Clear, with a low around 51. North wind around 6 mph.
Saturday
Sunny, with a high near 68. North wind around 6 mph becoming east in the afternoon.
Saturday Night
Mostly clear, with a low around 47. Light and variable wind.
Sunday
Sunny, with a high near 70. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 50. South wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 75. South wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 59. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 83. West wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 78. Northwest wind around 7 mph becoming east in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 59. East wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 73. Northeast wind 6 to 8 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.12°W (Elev. 46 ft)
Last Update:
2:21 pm EDT Sep 18, 2025
Forecast Valid:
9pm EDT Sep 18, 2025-6pm EDT Sep 25, 2025
 
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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