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.

A Few Clouds

72°F

22°C

Humidity 43%
Wind Speed SW 13 G 18 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 1:54 pm EDT
Extended Forecast for

Charlestown MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Southwest wind around 9 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 54. Southwest wind around 8 mph.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West wind around 6 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Southwest wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Southwest wind 6 to 9 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Southwest wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Southwest wind 7 to 13 mph.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Southwest wind around 9 mph.
Tonight
Clear, with a low around 54. Southwest wind around 8 mph.
Saturday
Sunny, with a high near 81. West wind around 6 mph.
Saturday Night
Mostly clear, with a low around 57. Calm wind.
Sunday
Sunny, with a high near 77. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. Southwest wind around 6 mph.
Monday
Sunny, with a high near 81. Southwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 60. Southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 80. Southwest wind 7 to 13 mph.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 63. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.
Wednesday
Showers. High near 71. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49. North wind around 8 mph. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 60. North wind 9 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
7:08 am EDT Oct 3, 2025
Forecast Valid:
2pm EDT Oct 3, 2025-6pm EDT Oct 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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