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.

Mostly Cloudy

66°F

19°C

Humidity 68%
Wind Speed NW 6 mph
Barometer 30.39 in (1028.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 6 Aug 1:54 am EDT
Extended Forecast for

Chelsea MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. East wind 5 to 9 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 77. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Southeast wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Southwest wind 3 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Light southwest wind becoming south 5 to 9 mph in the morning.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Southwest wind 5 to 7 mph.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. Calm wind.
Wednesday
Partly sunny, with a high near 75. East wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 77. Calm wind becoming southeast 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 60. Southeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 62. Southwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 85. Light southwest wind becoming south 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 66. Southwest wind 5 to 7 mph.
Sunday
Sunny and hot, with a high near 90. South wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 69. Southwest wind 5 to 7 mph.
Monday
Mostly sunny and hot, with a high near 91. South wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 71. Southwest wind 6 to 8 mph.
Tuesday
Mostly sunny and hot, with a high near 92. South wind 6 to 9 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:
6:45 pm EDT Aug 5, 2025
Forecast Valid:
2am EDT Aug 6, 2025-6pm EDT Aug 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation