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.

Fair

7°F

-14°C

Humidity 57%
Wind Speed NW 10 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 31 Jan 3:54 am EST
Extended Forecast for

Chelsea MA

Coastal Flood Advisory February 1, 08:00am until February 2, 02:00pm
Cold Weather Advisory January 31, 05:37am until January 31, 10:00am
Click here for hazard details and duration
Coastal Flood Advisory
...
  •  
    Cold Weather Advisory January 31, 05:37am until January 31, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • Today

    High: 20 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 9. Wind chill values as low as -3. North wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 9 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of snow, mainly before 8am. Cloudy, with a high near 26. Wind chill values as low as -3. North wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 26 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Northwest wind 9 to 11 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31. Northwest wind 7 to 9 mph, with gusts as high as 21 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9. Northwest wind 3 to 6 mph.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. Light west wind.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 12. Light west wind.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 20. Wind chill values as low as -13. Northwest wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 9. Wind chill values as low as -3. North wind 5 to 13 mph, with gusts as high as 23 mph.
Sunday
A chance of snow, mainly before 8am. Cloudy, with a high near 26. Wind chill values as low as -3. North wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 14. Northwest wind 9 to 11 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 31. Northwest wind 7 to 9 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 9. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 31. Light west wind.
Tuesday Night
Partly cloudy, with a low around 12. Light west wind.
Wednesday
Mostly sunny, with a high near 31. West wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 12. Northwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 29. Northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 10. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 29. Northwest wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelsea MA
 42.4°N 71.03°W (Elev. 49 ft)
Last Update:
4:50 am EST Jan 31, 2026
Forecast Valid:
5am EST Jan 31, 2026-6pm EST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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