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.

Overcast

57°F

14°C

Humidity 67%
Wind Speed NE 17 G 37 mph
Barometer 30.38 in (1028.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 24 Sep 4:53 am EDT
Extended Forecast for

Nantucket MA

High Wind Watch September 25, 08:00am until September 26, 08:00pm
Coastal Flood Watch September 25, 05:00pm until September 26, 05:00pm
High Surf Advisory September 25, 05:00am until September 27, 08:00pm
Click here for hazard details and duration
High Wind Watch
Coastal Flood Watch
High Surf Advisory

  • Today

    Today: Partly sunny, with a high near 63. Breezy, with a northeast wind 20 to 24 mph, with gusts as high as 34 mph.

    High: 63 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Breezy, with a northeast wind 21 to 23 mph, with gusts as high as 40 mph.

    Low: 53 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Showers, mainly after 11am. Patchy fog before 1pm, then patchy fog after 2pm. High near 64. Windy, with a northeast wind 26 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 5am. Patchy fog before 9pm. Low around 54. Windy, with a northeast wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 54 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 65. Windy, with a north wind 30 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 90%.

    High: 65 °F

    Showers and
    Windy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 55. Windy, with a north wind 25 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.

    Low: 55 °F

    Showers and
    Windy

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 65. Breezy, with a north wind 20 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 55. Northeast wind 15 to 17 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 64. North wind around 16 mph. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 63. Breezy, with a northeast wind 20 to 24 mph, with gusts as high as 34 mph.
Tonight
Mostly cloudy, with a low around 53. Breezy, with a northeast wind 21 to 23 mph, with gusts as high as 40 mph.
Friday
Showers, mainly after 11am. Patchy fog before 1pm, then patchy fog after 2pm. High near 64. Windy, with a northeast wind 26 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Showers, with thunderstorms also possible after 5am. Patchy fog before 9pm. Low around 54. Windy, with a northeast wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers and possibly a thunderstorm. High near 65. Windy, with a north wind 30 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 55. Windy, with a north wind 25 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Sunday
Showers likely. Mostly cloudy, with a high near 65. Breezy, with a north wind 20 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 55. Northeast wind 15 to 17 mph. Chance of precipitation is 70%.
Monday
A chance of showers. Mostly cloudy, with a high near 64. North wind around 16 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 53. North wind 8 to 10 mph.
Tuesday
Partly sunny, with a high near 64. North wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 53. Light west wind.
Wednesday
Mostly sunny, with a high near 64. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
1:50 am EDT Sep 24, 2026
Forecast Valid:
5am EDT Sep 24, 2026-6pm EDT Sep 30, 2026
 
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