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

62°F

17°C

Humidity 70%
Wind Speed E 12 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Sep 3:54 pm EDT
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 64. Northeast wind 10 to 13 mph.

    High: 64 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Northeast wind 7 to 9 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Northeast wind 13 to 16 mph, with gusts as high as 30 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Northeast wind 9 to 11 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. Northeast wind 14 to 17 mph, with gusts as high as 31 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 52. North wind 11 to 15 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 63. Breezy, with a north wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 54. Breezy, with a north wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Calm wind becoming northeast 5 to 7 mph after midnight.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 64. Northeast wind 10 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 53. Northeast wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 64. Northeast wind 13 to 16 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 53. Northeast wind 9 to 11 mph.
Thursday
Partly sunny, with a high near 64. Northeast wind 14 to 17 mph, with gusts as high as 31 mph.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 52. North wind 11 to 15 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 63. Breezy, with a north wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Friday Night
Showers likely. Mostly cloudy, with a low around 54. Breezy, with a north wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 63. Breezy, with a north wind around 20 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 54. North wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Northeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 53. North wind around 10 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 65. Northeast wind 9 to 11 mph.
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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:
2:52 pm EDT Sep 21, 2026
Forecast Valid:
4pm EDT Sep 21, 2026-6pm EDT Sep 28, 2026
 
Forecast Discussion
 
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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