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

18°F

-8°C

Humidity 74%
Wind Speed S 9 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 25 Feb 4:54 am EST
Extended Forecast for

Charlestown MA

  • Today

    Today: Snow, mainly before 1pm. High near 39. South wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.

    High: 39 °F

    Snow then
    Snow Likely

  • Tonight

    Tonight: Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 28. Southwest wind around 8 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37. West wind 8 to 10 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow before 8pm. Partly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 37. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. Southwest wind around 5 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44. South wind 6 to 8 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. West wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37. West wind 6 to 9 mph.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
Snow, mainly before 1pm. High near 39. South wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.
Tonight
Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 28. Southwest wind around 8 mph.
Thursday
Sunny, with a high near 37. West wind 8 to 10 mph.
Thursday Night
A slight chance of snow before 8pm. Partly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Sunny, with a high near 37. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 26. Southwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 44. South wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 27. West wind around 6 mph.
Sunday
Partly sunny, with a high near 37. West wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 14. Northwest wind around 6 mph.
Monday
A chance of snow. Partly sunny, with a high near 27. North wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 12. North wind around 6 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 31. North wind around 7 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.38°N 71.07°W (Elev. 3 ft)
Last Update:
5:11 am EST Feb 25, 2026
Forecast Valid:
5am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation