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.

Fair

55°F

13°C

Humidity 80%
Wind Speed SW 17 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 16 May 7:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 66. Southwest wind 14 to 16 mph.

    High: 66 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear during the evening, then mostly cloudy overnight, with a low around 54. West wind 8 to 11 mph becoming north after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. East wind 9 to 11 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Southwest wind around 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Breezy, with a southwest wind 13 to 20 mph.

    High: 66 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Southwest wind around 16 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69. Breezy, with a southwest wind 17 to 21 mph.

    High: 69 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers after 9pm. Mostly cloudy, with a low around 56. Southwest wind 11 to 16 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Southwest wind 16 to 18 mph, with gusts as high as 28 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 66. Southwest wind 14 to 16 mph.
Sunday Night
Clear during the evening, then mostly cloudy overnight, with a low around 54. West wind 8 to 11 mph becoming north after midnight.
Monday
Mostly sunny, with a high near 62. East wind 9 to 11 mph.
Monday Night
Partly cloudy, with a low around 55. Southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 66. Breezy, with a southwest wind 13 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 58. Southwest wind around 16 mph.
Wednesday
Sunny, with a high near 69. Breezy, with a southwest wind 17 to 21 mph.
Wednesday Night
A chance of showers after 9pm. Mostly cloudy, with a low around 56. Southwest wind 11 to 16 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 66. Northwest wind 10 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 51. Northeast wind 5 to 9 mph.
Friday
Mostly cloudy, with a high near 61. Northeast wind around 11 mph.
Friday Night
Mostly cloudy, with a low around 50. East wind around 6 mph.
Saturday
A chance of showers. Partly sunny, with a high near 61. East wind 7 to 13 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
1:47 pm EDT May 16, 2026
Forecast Valid:
8pm EDT May 16, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation