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

46°F

8°C

Humidity 96%
Wind Speed SW 8 mph
Barometer 29.38 in (994.8 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 29 Dec 10:54 am EST
Extended Forecast for

Charlestown MA

  • Today

    Today: Rain, mainly before 5pm. Areas of fog before 2pm. High near 49. Southwest wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain and
    Areas Fog

  • Tonight

    Tonight: A slight chance of snow showers between 1am and 3am. Mostly cloudy, with a low around 22. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Breezy, with a west wind 22 to 24 mph, with gusts as high as 48 mph.

    High: 27 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Breezy, with a west wind 15 to 22 mph, with gusts as high as 37 mph.

    Low: 21 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34. Southwest wind 9 to 16 mph.

    High: 34 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers, mainly between 7pm and 5am. Mostly cloudy, with a low around 19. Southwest wind around 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 19 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 26. West wind 9 to 11 mph, with gusts as high as 24 mph.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14. West wind around 6 mph.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 26. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly before 5pm. Areas of fog before 2pm. High near 49. Southwest wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A slight chance of snow showers between 1am and 3am. Mostly cloudy, with a low around 22. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 27. Breezy, with a west wind 22 to 24 mph, with gusts as high as 48 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Breezy, with a west wind 15 to 22 mph, with gusts as high as 37 mph.
Wednesday
Mostly cloudy, with a high near 34. Southwest wind 9 to 16 mph.
Wednesday Night
A chance of snow showers, mainly between 7pm and 5am. Mostly cloudy, with a low around 19. Southwest wind around 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
New Year's Day
Mostly sunny, with a high near 26. West wind 9 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 14. West wind around 6 mph.
Friday
Mostly sunny, with a high near 26. West wind 6 to 9 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 16. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 31. West wind 5 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 16. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 30. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
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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:
5:42 am EST Dec 29, 2025
Forecast Valid:
11am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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Chance of Precipitation