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

67°F

19°C

Humidity 59%
Wind Speed SE 7 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 31 Aug 6:54 pm EDT
Extended Forecast for

Chelsea MA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Labor Day

    Labor Day: Increasing clouds, with a high near 75. East wind 6 to 10 mph.

    High: 75 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Light north wind.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 74. East wind 5 to 9 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. South wind 3 to 7 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Southwest wind 5 to 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South wind 5 to 11 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 5am. Partly cloudy, with a low around 62. South wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Southeast wind 5 to 7 mph becoming calm in the evening.
Labor Day
Increasing clouds, with a high near 75. East wind 6 to 10 mph.
Monday Night
Mostly cloudy, with a low around 57. Light north wind.
Tuesday
Sunny, with a high near 74. East wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 81. South wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 60. Southwest wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 80. South wind 5 to 11 mph.
Thursday Night
A chance of showers after 5am. Partly cloudy, with a low around 62. South wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
Showers likely, mainly after 11am. Partly sunny, with a high near 77. South wind 7 to 13 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 63. South wind 6 to 9 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 79. Southwest wind 7 to 11 mph.
Saturday Night
Partly cloudy, with a low around 59. West wind 6 to 8 mph.
Sunday
Sunny, with a high near 76. West wind 6 to 8 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:
2:09 pm EDT Aug 31, 2025
Forecast Valid:
7pm EDT Aug 31, 2025-6pm EDT Sep 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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