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.

Mostly Cloudy

49°F

9°C

Humidity 41%
Wind Speed W 16 G 23 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 20 Apr 11:54 am EDT
Extended Forecast for

Charlestown MA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 53. West wind 9 to 11 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. North wind 7 to 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. North wind around 6 mph becoming east in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 51. South wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. South wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. Northwest wind 3 to 8 mph.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. North wind around 6 mph becoming northwest after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. Northwest wind around 7 mph becoming northeast in the afternoon.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 53. West wind 9 to 11 mph.
Tonight
Mostly cloudy, with a low around 34. North wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 50. North wind around 6 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 38. South wind around 6 mph.
Wednesday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 51. South wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 41. South wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 59. Northwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 42. North wind around 6 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 58. Northwest wind around 7 mph becoming northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 41. East wind around 6 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 56. North wind 5 to 8 mph becoming east in the afternoon.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 58. East wind 5 to 8 mph. Chance of precipitation is 30%.
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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:
10:57 am EDT Apr 20, 2026
Forecast Valid:
12pm EDT Apr 20, 2026-6pm EDT Apr 26, 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