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

33°F

1°C

Humidity 56%
Wind Speed W 10 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Feb 10:54 am EST
Extended Forecast for

Charlestown MA

  • Today

    Today: Mostly sunny, with a high near 38. West wind around 6 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. West wind 3 to 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 32. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 32 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow showers after 3am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 38. East wind 3 to 5 mph.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Light and variable wind becoming southwest around 5 mph after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Southwest wind 5 to 7 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. West wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 11am. Cloudy, with a high near 41. West wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 50%.

    High: 41 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 38. West wind around 6 mph.
Tonight
Partly cloudy, with a low around 21. West wind 3 to 5 mph.
Sunday
Sunny, with a high near 32. Northwest wind around 6 mph becoming calm in the afternoon.
Sunday Night
A slight chance of snow showers after 3am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.
Washington's Birthday
Mostly cloudy, with a high near 38. East wind 3 to 5 mph.
Monday Night
Mostly cloudy, with a low around 27. Light and variable wind becoming southwest around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 43. Southwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 32. West wind around 6 mph.
Wednesday
A chance of rain after 11am. Cloudy, with a high near 41. West wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Rain likely, possibly mixed with snow before 3am, then a chance of snow. Cloudy, with a low around 31. East wind around 7 mph becoming north after midnight. Chance of precipitation is 60%.
Thursday
A chance of snow. Mostly cloudy, with a high near 40. North wind around 8 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24. Northwest wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of snow. Partly sunny, with a high near 36. Northeast wind 7 to 9 mph. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.38°N 71.07°W (Elev. 3 ft)
Last Update:
1:58 am EST Feb 14, 2026
Forecast Valid:
10am EST Feb 14, 2026-6pm EST Feb 20, 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