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

68°F

20°C

Humidity 76%
Wind Speed N 9 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 23 Jul 3:53 am EDT
Extended Forecast for

2 Miles WSW Nantucket Memorial Airport MA

High Surf Advisory July 23, 04:11am until July 23, 08:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory July 23, 04:11am until July 23, 08:00pm

    NOW until 8:00pm Thu

    High Surf Advisory

  • Overnight

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 76. North wind 10 to 13 mph.

    High: 76 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Northeast wind 5 to 9 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. East wind 3 to 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Northeast wind 7 to 11 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Northeast wind 6 to 8 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Northeast wind 9 to 11 mph.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of showers, mainly before 5am. Mostly cloudy, with a low around 66. North wind around 8 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 76. North wind 10 to 13 mph.
Thursday Night
Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. Northeast wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 63. East wind 3 to 7 mph.
Saturday
Sunny, with a high near 75. Northeast wind 7 to 11 mph.
Saturday Night
Partly cloudy, with a low around 64. Northeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 75. Northeast wind 9 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 64. Northeast wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 75. Northeast wind 9 to 11 mph becoming southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 65. Southwest wind around 7 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 77. South wind 9 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 67. South wind around 11 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 77. Southeast wind 13 to 15 mph. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Nantucket Memorial Airport MA
 41.25°N 70.09°W (Elev. 23 ft)
Last Update:
3:07 am EDT Jul 23, 2026
Forecast Valid:
4am EDT Jul 23, 2026-6pm EDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

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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