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

20°F

-7°C

Humidity 57%
Wind Speed SW 13 G 20 mph
Barometer 29.74 in (1007.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 2 Jan 8:54 am EST
Extended Forecast for

Somerville MA

  • Today

    Today: Mostly sunny, with a high near 28. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. West wind around 7 mph.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 30. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 4am. Mostly cloudy, with a low around 20. Light west wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A slight chance of snow before noon. Partly sunny, with a high near 29. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. West wind 5 to 7 mph.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Northwest wind around 6 mph becoming west in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow between 9pm and 5am. Cloudy, with a low around 20. Calm wind. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Calm wind becoming west around 5 mph in the afternoon.

    High: 38 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 28. West wind 7 to 9 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 18. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 30. West wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow, mainly after 4am. Mostly cloudy, with a low around 20. Light west wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A slight chance of snow before noon. Partly sunny, with a high near 29. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 11. West wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 25. Northwest wind around 6 mph becoming west in the afternoon.
Monday Night
A chance of snow between 9pm and 5am. Cloudy, with a low around 20. Calm wind. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 38. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A chance of rain before 2am, then a chance of snow between 2am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 42. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 29. West wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 42. West wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
3:58 am EST Jan 2, 2026
Forecast Valid:
9am EST Jan 2, 2026-6pm EST Jan 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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