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.

A Few Clouds

25°F

-4°C

Humidity 46%
Wind Speed SE 12 mph
Barometer 30.63 in (1037.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 2 Mar 5:54 pm EST
Extended Forecast for

Chelsea MA

  • Tonight

    Tonight: Clear, with a low around 19. Southwest wind around 8 mph.

    Low: 19 °F

    Clear

  • Tuesday

    Tuesday: Snow before 5pm, then snow, possibly mixed with rain. High near 38. South wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Mostly Sunny
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow before 2am, then a chance of rain between 2am and 4am. Low around 33. East wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    then Rain
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Northwest wind around 7 mph becoming south in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 4am. Partly cloudy, with a low around 31. Calm wind. Chance of precipitation is 20%.

    Low: 31 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 7am, then a chance of rain. Partly sunny, with a high near 44. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Cloudy, with a low around 34. Northeast wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 34 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 1pm. Cloudy, with a high near 41. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 41 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 8pm, then a chance of rain after 4am. Cloudy, with a low around 34. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 19. Southwest wind around 8 mph.
Tuesday
Snow before 5pm, then snow, possibly mixed with rain. High near 38. South wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow before 2am, then a chance of rain between 2am and 4am. Low around 33. East wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Mostly sunny, with a high near 53. Northwest wind around 7 mph becoming south in the afternoon.
Wednesday Night
A slight chance of snow after 4am. Partly cloudy, with a low around 31. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow before 7am, then a chance of rain. Partly sunny, with a high near 44. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Rain likely, mainly after 2am. Cloudy, with a low around 34. Northeast wind 5 to 7 mph. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 1pm. Cloudy, with a high near 41. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
A chance of rain before 8pm, then a chance of rain after 4am. Cloudy, with a low around 34. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 48. Southwest wind 3 to 8 mph.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 58. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42. Southwest wind around 6 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 59. Southwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelsea MA
 42.38°N 71.04°W (Elev. 49 ft)
Last Update:
5:54 pm EST Mar 2, 2026
Forecast Valid:
6pm EST Mar 2, 2026-6pm EDT Mar 9, 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