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.

Light Rain Fog/Mist

38°F

3°C

Humidity 89%
Wind Speed SW 6 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 35°F (2°C)
Visibility 5.00 mi
Wind Chill33°F (1°C)
Last update 18 Feb 12:54 pm EST
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: Rain likely, mainly between 3pm and 5pm. Patchy fog between 3pm and 4pm. Otherwise, cloudy, with a high near 38. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Rain Likely
    and Patchy
    Fog

  • Tonight

    Tonight: A chance of rain and snow before 7pm, then a chance of snow between 7pm and midnight. Mostly cloudy, with a low around 25. Light north wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Snow likely between 11am and 4pm, then snow, possibly mixed with rain. High near 36. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 36 °F

    Chance Snow
    then
    Rain/Snow

  • Friday Night

    Friday Night: Snow, possibly mixed with rain, becoming all snow after 11pm. Low around 30. Northeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow
    then Snow

  • Saturday

    Saturday: Snow likely, mainly before 9am. Cloudy, with a high near 35. Northeast wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 35 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A chance of snow showers before 2am. Mostly cloudy, with a low around 25. North wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers after 5pm. Mostly cloudy, with a high near 35. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

This Afternoon
Rain likely, mainly between 3pm and 5pm. Patchy fog between 3pm and 4pm. Otherwise, cloudy, with a high near 38. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain and snow before 7pm, then a chance of snow between 7pm and midnight. Mostly cloudy, with a low around 25. Light north wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 39. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 27. Calm wind.
Friday
Snow likely between 11am and 4pm, then snow, possibly mixed with rain. High near 36. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Snow, possibly mixed with rain, becoming all snow after 11pm. Low around 30. Northeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before 9am. Cloudy, with a high near 35. Northeast wind 6 to 8 mph. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers before 2am. Mostly cloudy, with a low around 25. North wind 3 to 5 mph. Chance of precipitation is 40%.
Sunday
A chance of snow showers after 5pm. Mostly cloudy, with a high near 35. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27. Northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday
A chance of snow. Mostly cloudy, with a high near 34. Northeast wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 21. Northwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 34. Northwest wind 7 to 9 mph, with gusts as high as 20 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:
12:42 pm EST Feb 18, 2026
Forecast Valid:
1pm EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation