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

43°F

6°C

Humidity 42%
Wind Speed NW 7 mph
Barometer 30.43 in (1030.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Apr 2:54 am EDT
Extended Forecast for

Charlestown MA

  • Overnight

    Overnight: Clear, with a low around 37. Northwest wind around 7 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 52. Northwest wind 5 to 11 mph becoming southeast in the morning.

    High: 52 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Scattered showers, mainly after 9pm. Cloudy, with a low around 43. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly after 4pm. Mostly cloudy, with a high near 69. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Mostly Cloudy
    and Breezy
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before 8pm. Partly cloudy, with a low around 58. Southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 30%.

    Low: 58 °F

    Scattered
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 11pm and midnight. Mostly cloudy, with a low around 61. Southwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. West wind 5 to 8 mph.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 55. West wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 37. Northwest wind around 7 mph.
Sunday
Increasing clouds, with a high near 52. Northwest wind 5 to 11 mph becoming southeast in the morning.
Sunday Night
Scattered showers, mainly after 9pm. Cloudy, with a low around 43. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Scattered showers, mainly after 4pm. Mostly cloudy, with a high near 69. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Scattered showers, mainly before 8pm. Partly cloudy, with a low around 58. Southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 78. Light and variable wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A chance of showers between 11pm and midnight. Mostly cloudy, with a low around 61. Southwest wind around 7 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 78. West wind 5 to 8 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. West wind 3 to 6 mph. Chance of precipitation is 40%.
Thursday
A chance of showers before 10am, then a chance of showers after 1pm. Mostly cloudy, with a high near 73. East wind 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. South wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 76. West wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 52. Northeast wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 68. Light northeast wind becoming southeast 5 to 9 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.38°N 71.07°W (Elev. 3 ft)
Last Update:
12:56 am EDT Apr 12, 2026
Forecast Valid:
3am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
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