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

29°F

-2°C

Humidity 51%
Wind Speed W 18 G 29 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 12 Jan 4:54 am EST
Extended Forecast for

Somerville MA

  • Today

    Today: Increasing clouds, with a high near 39. West wind 9 to 15 mph, with gusts as high as 30 mph.

    High: 39 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Southwest wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Southwest wind 6 to 8 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 36. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly between 9am and noon. Cloudy, with a high near 49. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 8pm. Cloudy, with a low around 36. Light and variable wind. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 43. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 40%.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 21. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before 2pm. Partly sunny, with a high near 31. Northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 31 °F

    Chance Snow

Detailed Forecast

Today
Increasing clouds, with a high near 39. West wind 9 to 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 30. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 44. Southwest wind 6 to 8 mph.
Tuesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 36. South wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, mainly between 9am and noon. Cloudy, with a high near 49. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain, mainly after 8pm. Cloudy, with a low around 36. Light and variable wind. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 40%.
Thursday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 21. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday
A chance of snow before 2pm. Partly sunny, with a high near 31. Northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 20. West wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 37. Southwest wind 5 to 8 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 27. South wind around 5 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 39. Southwest wind 5 to 9 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 71.09°W (Elev. 46 ft)
Last Update:
5:32 am EST Jan 12, 2026
Forecast Valid:
5am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
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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