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

68°F

20°C

Humidity 73%
Wind Speed NW 14 G 25 mph
Barometer 29.47 in (997.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 May 10:54 pm EDT
Extended Forecast for

Charlestown MA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. West wind around 9 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 73. West wind 13 to 16 mph. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 11pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 54. West wind 14 to 18 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 68. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 32 mph.

    High: 68 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. Northeast wind around 9 mph.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. Northeast wind 3 to 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly cloudy, with a high near 56. East wind 7 to 11 mph. Chance of precipitation is 30%.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. East wind around 9 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. West wind around 9 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 73. West wind 13 to 16 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers before 11pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 54. West wind 14 to 18 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 68. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, with a low around 49. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 60. Northeast wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 48. Northeast wind 3 to 5 mph.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 56. East wind 7 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. East wind around 9 mph. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 56. East wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 48. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday
A chance of showers. Mostly cloudy, with a high near 59. North wind around 11 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. West wind around 7 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 65. West wind 7 to 10 mph. Chance of precipitation is 30%.
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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:
7:09 pm EDT May 17, 2025
Forecast Valid:
11pm EDT May 17, 2025-6pm EDT May 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation