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

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

55°F

13°C

Humidity 59%
Wind Speed E 8 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 21 May 4:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. East wind 5 to 9 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60. Northeast wind 13 to 15 mph.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 51. East wind 5 to 7 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 62. East wind 9 to 13 mph.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 3am. Cloudy, with a low around 52. East wind 10 to 14 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 65. Breezy, with an east wind 18 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.

    High: 65 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 54. East wind 11 to 18 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: A chance of showers. Cloudy, with a high near 66. West wind 9 to 13 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 55. West wind around 7 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. East wind 5 to 9 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 60. Northeast wind 13 to 15 mph.
Friday Night
Increasing clouds, with a low around 51. East wind 5 to 7 mph.
Saturday
Mostly cloudy, with a high near 62. East wind 9 to 13 mph.
Saturday Night
Showers likely, mainly after 3am. Cloudy, with a low around 52. East wind 10 to 14 mph. Chance of precipitation is 60%.
Sunday
Showers. High near 65. Breezy, with an east wind 18 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.
Sunday Night
Showers likely. Cloudy, with a low around 54. East wind 11 to 18 mph. Chance of precipitation is 70%.
Memorial Day
A chance of showers. Cloudy, with a high near 66. West wind 9 to 13 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55. West wind around 7 mph. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 67. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 56. West wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 68. Northwest wind 9 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 54. West wind around 8 mph.
Thursday
Mostly sunny, with a high near 65. North wind 9 to 14 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
6:42 am EDT May 21, 2026
Forecast Valid:
5pm EDT May 21, 2026-6pm EDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation