National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

30°F

-1°C

Humidity 82%
Wind Speed NE 5 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Feb 5:54 pm EST
Extended Forecast for

Somerville MA

Blizzard Warning February 22, 04:00pm until February 24, 07:00am
Click here for hazard details and duration
Blizzard Warning

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Light and variable wind.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 36. Light and variable wind becoming east 5 to 9 mph in the morning.

    High: 36 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Snow, mainly after 11pm. Patchy fog after 2am. Areas of freezing fog after 5am. Low around 28. Blustery, with a northeast wind 11 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Snow Likely
    then Snow and
    Areas
    Freezing Fog

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of freezing fog before 8am. High near 33. Breezy, with a north wind 20 to 25 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    High: 33 °F

    Heavy Snow
    and Areas
    Freezing Fog

  • Monday Night

    Monday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 22. Northwest wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Northwest wind 8 to 11 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14. West wind 5 to 7 mph.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely before 2pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 36. South wind 3 to 7 mph. Chance of precipitation is 60%.

    High: 36 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 4am, then a chance of rain after 5am. Mostly cloudy, with a low around 28. Southwest wind around 6 mph. Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Light and variable wind.
Sunday
Mostly cloudy, with a high near 36. Light and variable wind becoming east 5 to 9 mph in the morning.
Sunday Night
Snow, mainly after 11pm. Patchy fog after 2am. Areas of freezing fog after 5am. Low around 28. Blustery, with a northeast wind 11 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of freezing fog before 8am. High near 33. Breezy, with a north wind 20 to 25 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Monday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 22. Northwest wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly sunny, with a high near 33. Northwest wind 8 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 14. West wind 5 to 7 mph.
Wednesday
Snow likely before 2pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 36. South wind 3 to 7 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow before 4am, then a chance of rain after 5am. Mostly cloudy, with a low around 28. Southwest wind around 6 mph. Chance of precipitation is 50%.
Thursday
A chance of snow before 7am, then a chance of rain. Partly sunny, with a high near 42. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Southwest wind around 6 mph. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 39. Northwest wind 6 to 9 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 24. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 43. South wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.09°W (Elev. 46 ft)
Last Update:
4:57 pm EST Feb 21, 2026
Forecast Valid:
6pm EST Feb 21, 2026-6pm EST Feb 28, 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