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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Nantucket MA

High Surf Advisory August 22, 03:36pm until August 23, 08:00pm
Coastal Flood Advisory August 22, 10:00pm until August 23, 02:00am
Click here for hazard details and duration
High Surf Advisory
...
  •  
    High Surf Advisory August 22, 03:36pm until August 23, 08:00pm

    NOW until 8:00pm Sat

    High Surf Advisory

  • Tonight

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Southwest wind 6 to 11 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. South wind around 9 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77. South wind 9 to 13 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. South wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly before 4pm. Partly sunny, with a high near 76. East wind around 10 mph. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. West wind around 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76. West wind 9 to 13 mph.

    High: 76 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 62. North wind 5 to 10 mph becoming light and variable.
Saturday
Sunny, with a high near 76. Southwest wind 6 to 11 mph.
Saturday Night
Mostly clear, with a low around 64. South wind around 9 mph.
Sunday
Mostly sunny, with a high near 77. South wind 9 to 13 mph.
Sunday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. South wind 8 to 10 mph. Chance of precipitation is 30%.
Monday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 76. East wind around 10 mph. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 63. West wind around 8 mph.
Tuesday
Sunny, with a high near 76. West wind 9 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 61. Northwest wind 8 to 10 mph.
Wednesday
Sunny, with a high near 74. West wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 61. Southwest wind around 8 mph.
Thursday
Sunny, with a high near 74. Southwest wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 62. Southwest wind around 9 mph.
Friday
Sunny, with a high near 74. West wind 8 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
2:09 pm EDT Aug 22, 2025
Forecast Valid:
3pm EDT Aug 22, 2025-6pm EDT Aug 29, 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