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.

Fair

59°F

15°C

Humidity 51%
Wind Speed SW 8 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Mar 9:54 pm EDT
Extended Forecast for

Somerville MA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain before 2pm. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a high near 49. Northeast wind around 7 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of rain. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a temperature rising to around 58 by 4am. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 49 °F⇑

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 58. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of snow between 7pm and 8pm. Partly cloudy, with a low around 29. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 47. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow between 9pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 49. West wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. West wind 5 to 8 mph.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. Light and variable wind.
Wednesday
A slight chance of rain before 2pm. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a high near 49. Northeast wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a temperature rising to around 58 by 4am. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 58. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain and snow before 7pm, then a chance of snow between 7pm and 8pm. Partly cloudy, with a low around 29. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 47. South wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of rain and snow between 9pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 49. West wind 11 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 31. West wind 5 to 8 mph.
Sunday
Mostly cloudy, with a high near 49. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Sunday Night
Rain likely. Cloudy, with a low around 41. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday
Rain. High near 59. South wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 39. West wind around 10 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:
4:02 pm EDT Mar 10, 2026
Forecast Valid:
10pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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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