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

50°F

10°C

Humidity 77%
Wind Speed SW 9 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 2 May 7:54 am EDT
Extended Forecast for

Chelsea MA

  • Today

    Today: A chance of showers. Mostly cloudy, with a high near 58. South wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers. Cloudy, with a low around 44. South wind around 5 mph becoming light and variable. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 2pm. Partly sunny, with a high near 59. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. West wind 6 to 8 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67. Southwest wind 7 to 15 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. South wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58. South wind around 17 mph, with gusts as high as 29 mph.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon. Mostly cloudy, with a high near 71. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 71 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
A chance of showers. Mostly cloudy, with a high near 58. South wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers. Cloudy, with a low around 44. South wind around 5 mph becoming light and variable. Chance of precipitation is 50%.
Sunday
A slight chance of showers before 2pm. Partly sunny, with a high near 59. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 44. West wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 67. Southwest wind 7 to 15 mph.
Monday Night
Mostly clear, with a low around 52. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 76. South wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 58. South wind around 17 mph, with gusts as high as 29 mph.
Wednesday
A chance of showers after noon. Mostly cloudy, with a high near 71. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 54. Southwest wind 9 to 14 mph. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 63. Southwest wind 8 to 11 mph becoming southeast in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 47. South wind around 10 mph becoming west in the evening. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 60. West wind 10 to 14 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chelsea MA
 42.38°N 71.04°W (Elev. 49 ft)
Last Update:
2:32 am EDT May 2, 2026
Forecast Valid:
8am EDT May 2, 2026-6pm EDT May 8, 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