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

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

53°F

12°C

Humidity 77%
Wind Speed S 7 mph
Barometer NA
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 11 Oct 3:53 am EDT
Extended Forecast for

Nantucket MA

Coastal Flood Watch October 12, 11:00am until October 14, 02:00am
High Wind Watch October 12, 02:00pm until October 13, 08:00pm
Click here for hazard details and duration
Coastal Flood Watch
High Wind Watch

  • Today

    Today: Mostly cloudy, with a high near 65. South wind 6 to 11 mph becoming east in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. East wind 10 to 15 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 3pm. Cloudy, with a high near 65. Breezy, with an east wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 56. Windy, with a northeast wind 26 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 56 °F

    Rain and
    Windy

  • Columbus Day

    Columbus Day: Rain, with thunderstorms also possible after 5pm. High near 65. Windy, with an east wind 26 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 100%.

    High: 65 °F

    Rain and
    Windy

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Low around 56. Breezy, with an east wind 22 to 24 mph. Chance of precipitation is 100%.

    Low: 56 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain. High near 64. Breezy, with a northeast wind 20 to 23 mph. Chance of precipitation is 90%.

    High: 64 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 53. North wind 15 to 18 mph. Chance of precipitation is 70%.

    Low: 53 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of showers before 7am, then a chance of showers after 3pm. Partly sunny, with a high near 63. North wind around 15 mph. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 65. South wind 6 to 11 mph becoming east in the afternoon.
Tonight
Mostly cloudy, with a low around 55. East wind 10 to 15 mph.
Sunday
Rain likely, mainly after 3pm. Cloudy, with a high near 65. Breezy, with an east wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 56. Windy, with a northeast wind 26 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Columbus Day
Rain, with thunderstorms also possible after 5pm. High near 65. Windy, with an east wind 26 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 100%.
Monday Night
Rain and possibly a thunderstorm. Low around 56. Breezy, with an east wind 22 to 24 mph. Chance of precipitation is 100%.
Tuesday
Rain. High near 64. Breezy, with a northeast wind 20 to 23 mph. Chance of precipitation is 90%.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 53. North wind 15 to 18 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers before 7am, then a chance of showers after 3pm. Partly sunny, with a high near 63. North wind around 15 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48. North wind 11 to 15 mph. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 58. North wind around 18 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. North wind 15 to 17 mph. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 61. North wind 15 to 17 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
2:56 am EDT Oct 11, 2025
Forecast Valid:
4am EDT Oct 11, 2025-6pm EDT Oct 17, 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