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.

Overcast

23°F

-5°C

Humidity 44%
Wind Speed NW 14 mph
Barometer 29.67 in (1004.6 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 1 Feb 5:54 pm EST
Extended Forecast for

Chelsea MA

Coastal Flood Advisory February 1, 06:43pm until February 2, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 1, 06:43pm until February 2, 02:00pm

    NOW until 2:00pm Mon

    Coastal Flood Advisory

  • Tonight

    Low: 10 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 29. Wind chill values as low as zero. Northwest wind around 9 mph, with gusts as high as 20 mph.

    High: 29 °F

    Becoming
    Sunny

  • Monday Night

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

    Low: 8 °F

    Mostly Clear

  • Tuesday

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

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. West wind 3 to 6 mph.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 9. West wind around 6 mph.

    Low: 9 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 28. Northwest wind around 6 mph.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 10. Wind chill values as low as zero. Northwest wind 10 to 14 mph, with gusts as high as 30 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 29. Wind chill values as low as zero. Northwest wind around 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 8. Northwest wind 3 to 8 mph.
Tuesday
Sunny, with a high near 31. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 13. Calm wind.
Wednesday
Mostly sunny, with a high near 31. West wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 9. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 28. Northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 7. West wind 3 to 5 mph.
Friday
Partly sunny, with a high near 29. Southwest wind 5 to 8 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 12. Southwest wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Saturday
A chance of snow. Partly sunny, with a high near 19. Northwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 1. Northwest wind 11 to 13 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 16. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
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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:
5:16 pm EST Feb 1, 2026
Forecast Valid:
6pm EST Feb 1, 2026-6pm EST Feb 8, 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