National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

27°F

-3°C

Humidity 53%
Wind Speed NW 16 G 25 mph
Barometer 29.65 in (1003.8 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 24 Feb 4:54 am EST
Extended Forecast for

Charlestown MA

Coastal Flood Advisory until February 24, 06:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until February 24, 06:00am

    NOW until 6:00am Tue

    Coastal Flood Advisory

  • Overnight

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 12. West wind around 6 mph becoming light and variable after midnight.

    Low: 12 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm. High near 39. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow, mainly after 4pm. Partly sunny, with a high near 38. West wind around 7 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 23. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 50%.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: A chance of snow before 8am. Mostly sunny, with a high near 37. Northwest wind around 6 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow
    then Mostly
    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Northwest wind around 10 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 30. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 12. West wind around 6 mph becoming light and variable after midnight.
Wednesday
Rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm. High near 39. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind around 6 mph.
Thursday
A chance of snow, mainly after 4pm. Partly sunny, with a high near 38. West wind around 7 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 50%.
Friday
A chance of snow before 8am. Mostly sunny, with a high near 37. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 24. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 43. South wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 30. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 38. West wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 13. Northwest wind around 7 mph.
Monday
A chance of snow. Mostly sunny, with a high near 26. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.38°N 71.07°W (Elev. 3 ft)
Last Update:
3:48 am EST Feb 24, 2026
Forecast Valid:
5am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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