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.

Light Rain

62°F

17°C

Humidity 90%
Wind Speed E 7 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 22 Jun 6:54 pm EDT
Extended Forecast for

Chelsea MA

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Patchy fog after 9pm. Low around 61. South wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. Patchy fog before 11am. High near 76. South wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 61. Northwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Northwest wind 7 to 9 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Light west wind.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 65. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 7am. Partly sunny, with a high near 86. South wind 6 to 10 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. Southwest wind around 6 mph.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Patchy fog after 9pm. Low around 61. South wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Patchy fog before 11am. High near 76. South wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 61. Northwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 85. Northwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 63. Light west wind.
Thursday
Mostly sunny, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Thursday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 65. South wind around 6 mph. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 7am. Partly sunny, with a high near 86. South wind 6 to 10 mph. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 66. Southwest wind around 6 mph.
Saturday
A chance of showers. Partly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 66. Light and variable wind.
Sunday
Sunny, with a high near 87. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 66. Light and variable wind.
Monday
Mostly sunny, with a high near 88. Light and variable wind becoming southeast 5 to 8 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Chelsea MA
 42.4°N 71.03°W (Elev. 49 ft)
Last Update:
12:01 pm EDT Jun 22, 2026
Forecast Valid:
7pm EDT Jun 22, 2026-6pm EDT Jun 29, 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