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.

Partly Cloudy

31°F

-1°C

Humidity 56%
Wind Speed E 9 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 15 Feb 2:54 pm EST
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: Increasing clouds, with a low around 21. Calm wind.

    Low: 21 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Cloudy, then gradually becoming mostly sunny, with a high near 38. Calm wind becoming northeast around 6 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Calm wind becoming southwest around 6 mph in the morning.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Light west wind.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 40. Light and variable wind. Chance of precipitation is 70%.

    High: 40 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm. Low around 30. Calm wind becoming northeast around 6 mph in the evening. Chance of precipitation is 80%.

    Low: 30 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 39. North wind around 6 mph.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 21. Calm wind.
Washington's Birthday
Cloudy, then gradually becoming mostly sunny, with a high near 38. Calm wind becoming northeast around 6 mph.
Monday Night
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
Partly sunny, with a high near 41. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 30. Light west wind.
Wednesday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 40. Light and variable wind. Chance of precipitation is 70%.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Low around 30. Calm wind becoming northeast around 6 mph in the evening. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 39. North wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 27. Calm wind.
Friday
A chance of rain after 10am. Mostly cloudy, with a high near 40. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 50%.
Friday Night
Rain and snow likely. Cloudy, with a low around 31. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 40. Northeast wind around 7 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. West wind around 6 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Partly sunny, with a high near 39. West wind 6 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 71.12°W (Elev. 46 ft)
Last Update:
2:17 pm EST Feb 15, 2026
Forecast Valid:
3pm EST Feb 15, 2026-6pm EST Feb 22, 2026
 
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Additional Resources

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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