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.

A Few Clouds

25°F

-4°C

Humidity 50%
Wind Speed SW 20 G 30 mph
Barometer 29.55 in (1000.5 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 30 Dec 7:54 pm EST
Extended Forecast for

Charlestown MA

  • Tonight

    Tonight: Partly cloudy, with a low around 22. West wind 10 to 13 mph, with gusts as high as 34 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow between 10am and 11am. Partly sunny, with a high near 30. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 2am. Mostly cloudy, with a low around 25. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    then Snow
    Likely

  • New Year's Day

    New Year's Day: A chance of snow, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 27. Northwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14. West wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 28. West wind 6 to 10 mph.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. Southwest wind around 6 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 29. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15. West wind around 6 mph.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. West wind 10 to 13 mph, with gusts as high as 34 mph.
Wednesday
A slight chance of snow between 10am and 11am. Partly sunny, with a high near 30. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
Snow likely, mainly after 2am. Mostly cloudy, with a low around 25. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
New Year's Day
A chance of snow, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 27. Northwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 14. West wind 6 to 9 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 28. West wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 19. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 29. West wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 15. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 28. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 18. West wind 3 to 5 mph.
Monday
A chance of snow. Mostly cloudy, with a high near 33. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23. West wind around 5 mph. Chance of precipitation is 40%.
Tuesday
A chance of snow. Partly sunny, with a high near 34. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
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:
6:01 pm EST Dec 30, 2025
Forecast Valid:
8pm EST Dec 30, 2025-6pm EST Jan 6, 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