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.

Light Snow Fog/Mist

28°F

-2°C

Humidity 88%
Wind Speed NE 10 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 25°F (-4°C)
Visibility 2.00 mi
Wind Chill19°F (-7°C)
Last update 21 Feb 1:54 pm EST
Extended Forecast for

Charlestown MA

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

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 34. Northeast wind around 6 mph.

    High: 34 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 36. Light north wind becoming east 5 to 9 mph in the morning.

    High: 36 °F

    Cloudy

  • Sunday Night

    Sunday Night: Snow, mainly after 7pm. Patchy fog after midnight. Areas of freezing fog after 5am. Low around 28. Blustery, with a northeast wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 28 °F

    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 21 to 25 mph, with gusts as high as 48 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 17 mph, with gusts as high as 34 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, with gusts as high as 21 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 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 36. South wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 36 °F

    Snow Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 34. Northeast wind around 6 mph.
Tonight
Mostly cloudy, with a low around 21. Calm wind.
Sunday
Cloudy, with a high near 36. Light north wind becoming east 5 to 9 mph in the morning.
Sunday Night
Snow, mainly after 7pm. Patchy fog after midnight. Areas of freezing fog after 5am. Low around 28. Blustery, with a northeast wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 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 21 to 25 mph, with gusts as high as 48 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 17 mph, with gusts as high as 34 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, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 14. West wind 5 to 7 mph.
Wednesday
Snow likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 36. South wind 5 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 rain and snow. 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. North wind 6 to 9 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
1:41 pm EST Feb 21, 2026
Forecast Valid:
2pm EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation