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

65°F

18°C

Humidity 42%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Mar 10:54 am EDT
Extended Forecast for

Charlestown MA

  • Today

    Today: Sunny, with a high near 73. Southwest wind 7 to 10 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Southwest wind 5 to 7 mph becoming west after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of rain or light rain before 8am, then a chance of light rain, mainly after 4pm. Patchy fog before 3pm. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Light
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of rain or light rain before 8pm, then a chance of rain after 8pm. Mostly cloudy, with a low around 46. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 57. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 57 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow between 9pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 36. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Southwest wind 7 to 10 mph.
Tonight
Increasing clouds, with a low around 42. Southwest wind 5 to 7 mph becoming west after midnight.
Wednesday
A slight chance of rain or light rain before 8am, then a chance of light rain, mainly after 4pm. Patchy fog before 3pm. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain or light rain before 8pm, then a chance of rain after 8pm. Mostly cloudy, with a low around 46. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain. Mostly cloudy, with a high near 57. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 30. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 46. South wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of rain and snow between 9pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 36. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 48. West wind 14 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 32. West wind 5 to 9 mph.
Sunday
Mostly cloudy, with a high near 50. South wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Rain likely. Cloudy, with a low around 43. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
Rain. High near 58. South wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
3:44 am EDT Mar 10, 2026
Forecast Valid:
11am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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