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.

A Few Clouds

30°F

-1°C

Humidity 43%
Wind Speed W 13 G 23 mph
Barometer 29.80 in (1008.9 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 24 Feb 5:54 pm EST
Extended Forecast for

Charlestown MA

  • Tonight

    Tonight: Increasing clouds, with a low around 11. West wind 5 to 11 mph.

    Low: 11 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Snow before noon, then a chance of rain between noon and 2pm. High near 40. South wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 40 °F

    Snow then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind 6 to 14 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 37. West wind around 7 mph.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of snow, mainly between 10pm and 2am. Partly cloudy, with a low around 21. Light west wind. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow before 10am. Mostly sunny, with a high near 37. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Southwest wind 3 to 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. South wind 6 to 9 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. West wind 3 to 6 mph.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 11. West wind 5 to 11 mph.
Wednesday
Snow before noon, then a chance of rain between noon and 2pm. High near 40. South wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind 6 to 14 mph.
Thursday
Mostly sunny, with a high near 37. West wind around 7 mph.
Thursday Night
A chance of snow, mainly between 10pm and 2am. Partly cloudy, with a low around 21. Light west wind. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Friday
A slight chance of snow before 10am. Mostly sunny, with a high near 37. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 26. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 44. South wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 29. West wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 39. Northwest wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 15. Northwest wind around 7 mph.
Monday
A chance of snow. Mostly sunny, with a high near 27. North wind 6 to 8 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 15. Northeast wind around 5 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow. Partly sunny, with a high near 32. East wind 6 to 8 mph. Chance of precipitation is 30%.
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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:
5:05 pm EST Feb 24, 2026
Forecast Valid:
6pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation