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.

Overcast

43°F

6°C

Humidity 56%
Wind Speed NW 10 G 18 mph
Barometer 29.66 in (1004.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 12 Mar 3:54 pm EDT
Extended Forecast for

Somerville MA

  • This Afternoon

    This Afternoon: Rain before 5pm, then rain and snow. Steady temperature around 40. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 9pm, then gradually ending. Low around 29. West wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 44. West wind 5 to 10 mph becoming south in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 10 to 17 mph, with gusts as high as 43 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West wind 5 to 10 mph, with gusts as high as 31 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 5am. Cloudy, with a low around 37. Southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain. High near 61. South wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    High: 61 °F

    Rain

Detailed Forecast

This Afternoon
Rain before 5pm, then rain and snow. Steady temperature around 40. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain and snow, becoming all snow after 9pm, then gradually ending. Low around 29. West wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Increasing clouds, with a high near 44. West wind 5 to 10 mph becoming south in the afternoon.
Friday Night
A slight chance of snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 48. West wind 10 to 17 mph, with gusts as high as 43 mph.
Saturday Night
Mostly clear, with a low around 30. West wind 5 to 10 mph, with gusts as high as 31 mph.
Sunday
Mostly cloudy, with a high near 45. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Cloudy, with a low around 37. Southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Rain. High near 61. South wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 41. South wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Tuesday
A chance of rain. Partly sunny, with a high near 50. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 25. West wind 7 to 9 mph.
Wednesday
Sunny, with a high near 38. West wind around 8 mph.
Wednesday Night
Partly cloudy, with a low around 26. West wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
2:57 pm EDT Mar 12, 2026
Forecast Valid:
4pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation