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

34°F

1°C

Humidity 89%
Wind Speed S 9 mph
Barometer 29.67 in (1004.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 25 Feb 11:54 am EST
Extended Forecast for

Charlestown MA

  • This Afternoon

    This Afternoon: A chance of rain and snow before 1pm. Cloudy, with a high near 39. Southwest wind around 15 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than one inch possible.

    High: 39 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of snow before midnight, then a chance of rain between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 29. Southwest wind 9 to 11 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow
    then Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 41. West wind 9 to 14 mph.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19. Northwest wind around 7 mph.

    Low: 19 °F

    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

This Afternoon
A chance of rain and snow before 1pm. Cloudy, with a high near 39. Southwest wind around 15 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of snow before midnight, then a chance of rain between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 29. Southwest wind 9 to 11 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 41. West wind 9 to 14 mph.
Thursday Night
Mostly clear, with a low around 19. Northwest wind around 7 mph.
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:
11:17 am EST Feb 25, 2026
Forecast Valid:
12pm 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