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.

Light Drizzle Fog/Mist

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.33 in (1026.9 mb)
Dewpoint 40°F (4°C)
Visibility 0.75 mi
Last update 3 Apr 8:54 am EDT
Extended Forecast for

Charlestown MA

  • Today

    Today: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a temperature rising to near 60 by 11am, then falling to around 46 during the remainder of the day. North wind 6 to 13 mph becoming east in the afternoon.

    High: 60 °F⇓

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Cloudy, with a low around 40. Southeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 63. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 63 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 39. West wind around 8 mph. Chance of precipitation is 80%.

    Low: 39 °F

    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. West wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. West wind 6 to 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 3pm. Partly sunny, with a high near 50. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 50 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday
Partly sunny, with a temperature rising to near 60 by 11am, then falling to around 46 during the remainder of the day. North wind 6 to 13 mph becoming east in the afternoon.
Saturday Night
Showers likely, mainly after midnight. Cloudy, with a low around 40. Southeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers. High near 63. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Sunday Night
Showers, mainly before 8pm. Low around 39. West wind around 8 mph. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 53. West wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 35. West wind 6 to 9 mph.
Tuesday
A chance of showers after 3pm. Partly sunny, with a high near 50. West wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 30. Northwest wind around 8 mph.
Wednesday
Sunny, with a high near 49. North wind around 7 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 35. Southwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 60. Southwest wind 9 to 14 mph.
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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:
7:01 am EDT Apr 3, 2026
Forecast Valid:
9am EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation