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

34°F

1°C

Humidity 42%
Wind Speed NW 18 G 30 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 13 Mar 1:54 am EDT
Extended Forecast for

Charlestown MA

  • Overnight

    Overnight: Mostly clear, with a low around 29. Northwest wind around 7 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 44. West wind 6 to 9 mph becoming southwest in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of rain and snow before 1am, then a chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 36. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 49. West wind 10 to 17 mph, with gusts as high as 38 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West wind 6 to 10 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 3am. Mostly cloudy, with a low around 37. Southeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, mainly after 8am. High near 63. South wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    High: 63 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 45. South wind around 15 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Northwest wind around 7 mph.
Friday
Increasing clouds, with a high near 44. West wind 6 to 9 mph becoming southwest in the afternoon.
Friday Night
A chance of rain and snow before 1am, then a chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 36. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 49. West wind 10 to 17 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 30. West wind 6 to 10 mph, with gusts as high as 26 mph.
Sunday
Mostly cloudy, with a high near 45. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
A chance of rain after 3am. Mostly cloudy, with a low around 37. Southeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday
Rain, mainly after 8am. High near 63. South wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 45. South wind around 15 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Tuesday
Rain likely, mainly before 7am. Partly sunny, with a high near 52. West wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 25. West wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 40. West wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 27. South wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 44. Southeast wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.38°N 71.07°W (Elev. 3 ft)
Last Update:
1:29 am EDT Mar 13, 2026
Forecast Valid:
2am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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