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.

Overcast

57°F

14°C

Humidity 81%
Wind Speed W 15 G 28 mph
Barometer 29.70 in (1005.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 5 Apr 6:54 pm EDT
Extended Forecast for

Chelsea MA

  • Tonight

    Tonight: A chance of showers, mainly before 8pm. Areas of fog before 8pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 35. West wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers and
    Areas Fog
    then Partly
    Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 49. West wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 49 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of showers, mainly after 4am. Mostly cloudy, with a low around 35. West wind 7 to 13 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Rain likely, mainly between 2pm and 3pm. Partly sunny, with a high near 47. Northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm, then a slight chance of snow between 10pm and 11pm. Partly cloudy, with a low around 29. Northwest wind around 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48. Northwest wind 5 to 7 mph becoming light and variable.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 55. South wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Southwest wind 6 to 8 mph.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly before 8pm. Areas of fog before 8pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 35. West wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Increasing clouds, with a high near 49. West wind 13 to 16 mph, with gusts as high as 26 mph.
Monday Night
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 35. West wind 7 to 13 mph. Chance of precipitation is 30%.
Tuesday
Rain likely, mainly between 2pm and 3pm. Partly sunny, with a high near 47. Northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain before 10pm, then a slight chance of snow between 10pm and 11pm. Partly cloudy, with a low around 29. Northwest wind around 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Sunny, with a high near 48. Northwest wind 5 to 7 mph becoming light and variable.
Wednesday Night
Clear, with a low around 32. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 55. South wind 5 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 40. Southwest wind 6 to 8 mph.
Friday
Partly sunny, with a high near 67. Southwest wind 6 to 10 mph.
Friday Night
Mostly cloudy, with a low around 46. South wind around 7 mph.
Saturday
Partly sunny, with a high near 67. Southwest wind 6 to 8 mph becoming north in the afternoon.
Saturday Night
Partly cloudy, with a low around 45. North wind around 6 mph.
Sunday
Partly sunny, with a high near 59. North wind 5 to 8 mph becoming southeast in the afternoon.
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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:
7:31 pm EDT Apr 5, 2026
Forecast Valid:
7pm EDT Apr 5, 2026-6pm EDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation