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

36°F

2°C

Humidity 67%
Wind Speed E 10 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 16 Feb 1:54 pm EST
Extended Forecast for

Charlestown MA

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 36. Northeast wind around 7 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Northeast wind around 5 mph becoming light and variable in the evening.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy flurries and freezing rain between 8am and noon. Cloudy, with a high near 35. South wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 35 °F

    Patchy Wintry
    Mix then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. West wind around 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow before 10am, then a chance of rain between 10am and 2pm, then snow after 2pm. High near 39. West wind around 6 mph becoming calm in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 8pm. Low around 29. North wind 3 to 6 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 38. North wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Snow likely, mainly after 3pm. Mostly cloudy, with a high near 38. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 60%.

    High: 38 °F

    Snow Likely

Detailed Forecast

Washington's Birthday
Mostly cloudy, with a high near 36. Northeast wind around 7 mph.
Tonight
Mostly cloudy, with a low around 28. Northeast wind around 5 mph becoming light and variable in the evening.
Tuesday
Patchy flurries and freezing rain between 8am and noon. Cloudy, with a high near 35. South wind 3 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 30. West wind around 7 mph.
Wednesday
A slight chance of snow before 10am, then a chance of rain between 10am and 2pm, then snow after 2pm. High near 39. West wind around 6 mph becoming calm in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after 8pm. Low around 29. North wind 3 to 6 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday
Mostly sunny, with a high near 38. North wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 24. Calm wind.
Friday
Snow likely, mainly after 3pm. Mostly cloudy, with a high near 38. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 60%.
Friday Night
Snow likely, possibly mixed with rain, becoming all snow after 9pm. Mostly cloudy, with a low around 29. Northeast wind around 7 mph. Chance of precipitation is 70%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 36. Northeast wind around 8 mph. Chance of precipitation is 50%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 26. North wind around 6 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 36. Northeast 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
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
1:35 pm EST Feb 16, 2026
Forecast Valid:
2pm EST Feb 16, 2026-6pm EST Feb 22, 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