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.

Mostly Cloudy

18°F

-8°C

Humidity 45%
Wind Speed N 9 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 5 Jan 8:54 am EST
Extended Forecast for

Charlestown MA

  • Today

    Today: A chance of snow, mainly after 5pm. Increasing clouds, with a high near 28. Light and variable wind becoming south around 5 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 28 °F

    Mostly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: Snow and freezing rain likely before 2am, then a chance of freezing rain between 2am and 4am. Cloudy, with a low around 24. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Snow Likely
    then Chance
    Wintry Mix

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Light and variable wind.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain, mainly after 9pm. Low around 33. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Partly sunny, with a high near 43. West wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. West wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 45. West wind 5 to 7 mph.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. Southwest wind 3 to 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain after 7am. Cloudy, with a high near 51. South wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
A chance of snow, mainly after 5pm. Increasing clouds, with a high near 28. Light and variable wind becoming south around 5 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow and freezing rain likely before 2am, then a chance of freezing rain between 2am and 4am. Cloudy, with a low around 24. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Mostly cloudy, with a high near 38. Light and variable wind.
Tuesday Night
Rain, mainly after 9pm. Low around 33. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 43. West wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 30. West wind around 6 mph.
Thursday
Sunny, with a high near 45. West wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 33. Southwest wind 3 to 5 mph.
Friday
A chance of rain after 7am. Cloudy, with a high near 51. South wind 6 to 9 mph. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly before 3am. Mostly cloudy, with a low around 44. Southwest wind around 6 mph. Chance of precipitation is 60%.
Saturday
Rain likely. Cloudy, with a high near 54. South wind 6 to 9 mph. Chance of precipitation is 60%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37. West wind around 7 mph. Chance of precipitation is 50%.
Sunday
A chance of rain. Partly sunny, with a high near 44. West wind 7 to 10 mph, with gusts as high as 21 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:
6:23 am EST Jan 5, 2026
Forecast Valid:
9am EST Jan 5, 2026-6pm EST Jan 11, 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