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

17°F

-8°C

Humidity 54%
Wind Speed N 16 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 1 Feb 11:54 am EST
Extended Forecast for

Chelsea MA

Coastal Flood Advisory until February 2, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until February 2, 02:00pm

    NOW until 2:00pm Mon

    Coastal Flood Advisory

  • This Afternoon

    High: 24 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as zero. Northwest wind 8 to 10 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 30. Wind chill values as low as zero. Northwest wind around 7 mph.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. Northwest wind 3 to 6 mph.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 30. Light and variable wind.

    High: 30 °F

    Sunny

  • Tuesday Night

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

    Low: 12 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. West wind 3 to 6 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. Northwest wind around 5 mph.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Cloudy, with a high near 24. North wind 13 to 15 mph, with gusts as high as 30 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as zero. Northwest wind 8 to 10 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 30. Wind chill values as low as zero. Northwest wind around 7 mph.
Monday Night
Mostly clear, with a low around 8. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 30. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 12. Light west wind.
Wednesday
Mostly sunny, with a high near 30. West wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 10. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 28. Northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 9. Northwest wind around 5 mph.
Friday
Partly sunny, with a high near 29. Southwest wind 5 to 7 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 16. Southwest wind around 7 mph. Chance of precipitation is 50%.
Saturday
A chance of snow. Partly sunny, with a high near 23. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chelsea MA
 42.4°N 71.03°W (Elev. 49 ft)
Last Update:
11:43 am EST Feb 1, 2026
Forecast Valid:
12pm EST Feb 1, 2026-6pm EST Feb 7, 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