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.

Fair

18°F

-8°C

Humidity 39%
Wind Speed W 16 G 28 mph
Barometer 29.75 in (1007.5 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 1 Jan 8:54 pm EST
Extended Forecast for

Charlestown MA

  • Tonight

    Tonight: Partly cloudy, with a low around 14. West wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 28. West wind 6 to 10 mph.

    High: 28 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 18. West wind around 7 mph.

    Low: 18 °F

    Mostly Clear

  • Saturday

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

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 3am. Mostly cloudy, with a low around 20. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A slight chance of snow before 8am. 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 13. Northwest wind 5 to 7 mph.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Northwest wind 5 to 7 mph.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after 9pm. Mostly cloudy, with a low around 20. Calm wind. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 14. West wind 6 to 10 mph, with gusts as high as 23 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 28. West wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 18. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 30. West wind 7 to 10 mph.
Saturday Night
A slight chance of snow after 3am. Mostly cloudy, with a low around 20. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A slight chance of snow before 8am. 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 13. Northwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 26. Northwest wind 5 to 7 mph.
Monday Night
A chance of snow after 9pm. Mostly cloudy, with a low around 20. Calm wind. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 38. Calm wind becoming west around 6 mph in the morning.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Light south wind. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 44. South wind 5 to 8 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. West wind around 6 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 43. West wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
1:45 pm EST Jan 1, 2026
Forecast Valid:
9pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
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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