National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

63°F

17°C

Humidity 54%
Wind Speed SE 9 mph
Barometer 30.28 in (1025.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 11 Oct 11:54 am EDT
Extended Forecast for

Chelsea MA

Coastal Flood Advisory October 12, 02:00pm until October 12, 06:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 66. South wind around 7 mph becoming southeast.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Southeast wind around 6 mph becoming light and variable.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 2pm. Cloudy, with a high near 62. Northeast wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 9pm. Low around 53. Northeast wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Rain

  • Columbus Day

    Columbus Day: Rain. High near 58. Breezy, with a northeast wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.

    High: 58 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Low around 51. Northeast wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    Low: 51 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 59. North wind 13 to 15 mph. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 48. North wind around 7 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. North wind 7 to 9 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 66. South wind around 7 mph becoming southeast.
Tonight
Mostly cloudy, with a low around 52. Southeast wind around 6 mph becoming light and variable.
Sunday
A chance of rain, mainly after 2pm. Cloudy, with a high near 62. Northeast wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly after 9pm. Low around 53. Northeast wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Columbus Day
Rain. High near 58. Breezy, with a northeast wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.
Monday Night
Rain and possibly a thunderstorm. Low around 51. Northeast wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Tuesday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 59. North wind 13 to 15 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 48. North wind around 7 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 63. North wind 7 to 9 mph.
Wednesday Night
A chance of showers after 11pm. Mostly cloudy, with a low around 43. Northwest wind around 9 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 55. Northwest wind 10 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 42. Northwest wind 8 to 10 mph.
Friday
Partly sunny, with a high near 59. Northwest wind 9 to 11 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:
2:56 am EDT Oct 11, 2025
Forecast Valid:
12pm EDT Oct 11, 2025-6pm EDT Oct 17, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation