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.

Overcast

56°F

13°C

Humidity 87%
Wind Speed NE 20 G 29 mph
Barometer 30.22 in (1023.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 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: Rain likely, mainly after 3pm. Cloudy, with a high near 61. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely
    and Breezy

  • Tonight

    Tonight: Rain. Patchy fog after 9pm. Low around 53. Breezy, with a northeast wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 53 °F

    Rain and
    Patchy Fog

  • Columbus Day

    Columbus Day: Rain, with thunderstorms also possible after 2pm. Patchy fog. High near 59. Breezy, with a northeast wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 59 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Patchy fog. Low around 52. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 52 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain likely, mainly before 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 59. North wind 13 to 15 mph. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly before midnight. Mostly cloudy, with a low around 49. North wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of showers after 5pm. Mostly sunny, with a high near 62. Northwest wind 8 to 14 mph. Chance of precipitation is 30%.

    High: 62 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then a chance of showers after 4am. Mostly cloudy, with a low around 42. Northwest wind 9 to 13 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 55. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly after 3pm. Cloudy, with a high near 61. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Patchy fog after 9pm. Low around 53. Breezy, with a northeast wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Columbus Day
Rain, with thunderstorms also possible after 2pm. Patchy fog. High near 59. Breezy, with a northeast wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Rain and possibly a thunderstorm. Patchy fog. Low around 52. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Rain likely, mainly before 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 59. North wind 13 to 15 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 49. North wind 5 to 7 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers after 5pm. Mostly sunny, with a high near 62. Northwest wind 8 to 14 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm, then a chance of showers after 4am. Mostly cloudy, with a low around 42. Northwest wind 9 to 13 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 55. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 42. Northwest wind 9 to 13 mph.
Friday
Partly sunny, with a high near 58. Northwest wind 10 to 13 mph.
Friday Night
Partly cloudy, with a low around 44. Northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 63. Northwest wind 7 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelsea MA
 42.38°N 71.04°W (Elev. 49 ft)
Last Update:
8:31 am EDT Oct 12, 2025
Forecast Valid:
1pm EDT Oct 12, 2025-6pm EDT Oct 18, 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