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.

Partly Cloudy

63°F

17°C

Humidity 90%
Wind Speed NW 6 mph
Barometer 30.22 in (1023.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 2 Sep 1:54 am EDT
Extended Forecast for

Charlestown MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming east 5 to 8 mph in the morning.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Southwest wind 3 to 6 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. South wind 6 to 9 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 8am. Partly sunny, with a high near 82. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. South wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 76. Calm wind becoming east 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. Southwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 80. Light southwest wind becoming south 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 63. South wind 6 to 9 mph.
Friday
A chance of showers after 8am. Partly sunny, with a high near 82. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 68. South wind 7 to 10 mph, with gusts as high as 21 mph.
Saturday
A chance of showers. Partly sunny, with a high near 84. Southwest wind 8 to 11 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. West wind 6 to 8 mph. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly sunny, with a high near 74. West wind around 7 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 55. Northwest wind around 6 mph.
Monday
Sunny, with a high near 74. Northwest wind around 6 mph.
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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:
12:42 am EDT Sep 2, 2025
Forecast Valid:
2am EDT Sep 2, 2025-6pm EDT Sep 8, 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