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.

Overcast and Breezy

68°F

20°C

Humidity 70%
Wind Speed NE 22 G 30 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 1:54 pm EDT
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 72. Northeast wind around 14 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. North wind around 10 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. North wind around 10 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Light southwest wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light southwest wind becoming south 5 to 9 mph in the morning.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. South wind 6 to 9 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. South wind 7 to 13 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 67. South wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 82. South wind 6 to 9 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 72. Northeast wind around 14 mph.
Tonight
Partly cloudy, with a low around 57. North wind around 10 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 82. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 61. Light southwest wind.
Saturday
Sunny, with a high near 87. Light southwest wind becoming south 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 65. South wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 83. South wind 7 to 13 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 67. South wind 5 to 9 mph. Chance of precipitation is 30%.
Monday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 82. South wind 6 to 9 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers before midnight. Partly cloudy, with a low around 62. West wind around 5 mph. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 80. West wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 59. West wind around 7 mph.
Wednesday
Sunny, with a high near 78. West wind 7 to 9 mph.
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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:
2:36 pm EDT Aug 21, 2025
Forecast Valid:
2pm EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
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