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

50°F

10°C

Humidity 66%
Wind Speed NW 8 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Oct 12:54 am EDT
Extended Forecast for

Charlestown MA

  • Overnight

    Overnight: Mostly clear, with a low around 40. Northwest wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. Northwest wind around 5 mph becoming light and variable.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Light south wind.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South wind 5 to 11 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 56. South wind around 9 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Showers. High near 66. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 50. West wind 6 to 9 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Southwest wind 7 to 10 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 51. South wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 40. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 63. Northwest wind around 5 mph becoming light and variable.
Saturday Night
Mostly clear, with a low around 47. Light south wind.
Sunday
Mostly sunny, with a high near 69. South wind 5 to 11 mph.
Sunday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 56. South wind around 9 mph. Chance of precipitation is 40%.
Monday
Showers. High near 66. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. West wind 6 to 9 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 66. Southwest wind 7 to 10 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. South wind 6 to 8 mph. Chance of precipitation is 50%.
Wednesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 63. South wind 7 to 11 mph becoming west in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 45. West wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 60. West wind 8 to 11 mph.
Thursday Night
Partly cloudy, with a low around 44. West wind around 6 mph.
Friday
A chance of showers. Partly sunny, with a high near 59. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
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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:
2:25 pm EDT Oct 17, 2025
Forecast Valid:
1am EDT Oct 18, 2025-6pm EDT Oct 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation