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

23°F

-5°C

Humidity 50%
Wind Speed W 16 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 2 Jan 10:54 am EST
Extended Forecast for

Charlestown MA

  • Today

    Today: Mostly sunny, with a high near 28. West wind around 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. West wind around 8 mph.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 30. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 4am. Mostly cloudy, with a low around 20. Light west wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A slight chance of snow before noon. Partly sunny, with a high near 29. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. West wind 5 to 7 mph.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Northwest wind around 6 mph becoming west in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow between 9pm and 5am. Cloudy, with a low around 20. Light southwest wind. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Calm wind becoming west around 5 mph in the afternoon.

    High: 38 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 28. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 18. West wind around 8 mph.
Saturday
Mostly sunny, with a high near 30. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow, mainly after 4am. Mostly cloudy, with a low around 20. Light west wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A slight chance of snow before noon. Partly sunny, with a high near 29. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 11. West wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 25. Northwest wind around 6 mph becoming west in the afternoon.
Monday Night
A chance of snow between 9pm and 5am. Cloudy, with a low around 20. Light southwest wind. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 38. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A chance of rain before 2am, then a chance of snow between 2am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 42. North wind 5 to 7 mph becoming southwest in the morning. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 29. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 42. Northwest wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
3:58 am EST Jan 2, 2026
Forecast Valid:
11am EST Jan 2, 2026-6pm EST Jan 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation