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.

Overcast

57°F

14°C

Humidity 90%
Wind Speed NW 7 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 5 Oct 6:54 am EDT
Extended Forecast for

Charlestown MA

  • Today

    Today: Sunny, with a high near 67. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 28 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. West wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. West wind around 11 mph, with gusts as high as 22 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 42. West wind 3 to 6 mph.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Southwest wind around 9 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Southwest wind 8 to 11 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. West wind around 7 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67. West wind 7 to 10 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 28 mph.
Tonight
Clear, with a low around 45. West wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 58. West wind around 11 mph, with gusts as high as 22 mph.
Tuesday Night
Clear, with a low around 42. West wind 3 to 6 mph.
Wednesday
Sunny, with a high near 65. Light southwest wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 53. Southwest wind around 9 mph.
Thursday
Sunny, with a high near 71. Southwest wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 52. West wind around 7 mph.
Friday
Sunny, with a high near 67. West wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 51. Southwest wind around 7 mph.
Saturday
Sunny, with a high near 64. Northwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 48. Northwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 63. Northwest wind 5 to 8 mph becoming south in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
2:57 am EDT Oct 5, 2026
Forecast Valid:
7am EDT Oct 5, 2026-6pm EDT Oct 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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