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.

Overcast

65°F

18°C

Humidity 93%
Wind Speed SW 15 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Oct 3:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Partly sunny, with a high near 69. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Northwest wind 10 to 16 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. North wind 11 to 15 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 49. Light and variable wind becoming southeast around 6 mph after midnight.

    Low: 49 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 68. Southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 46. Breezy, with a southwest wind 17 to 20 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 55. Breezy, with a northwest wind 20 to 22 mph. Chance of precipitation is 30%.

    High: 55 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Breezy, with a northwest wind 16 to 21 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Northwest wind around 16 mph.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 69. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 51. Northwest wind 10 to 16 mph.
Thursday
Sunny, with a high near 58. North wind 11 to 15 mph.
Thursday Night
Increasing clouds, with a low around 49. Light and variable wind becoming southeast around 6 mph after midnight.
Friday
Showers, with thunderstorms also possible after 2pm. High near 68. Southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.
Friday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 46. Breezy, with a southwest wind 17 to 20 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 55. Breezy, with a northwest wind 20 to 22 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 41. Breezy, with a northwest wind 16 to 21 mph.
Sunday
Sunny, with a high near 57. Northwest wind around 16 mph.
Sunday Night
Mostly clear, with a low around 47. Southwest wind 7 to 9 mph.
Monday
Sunny, with a high near 61. Southwest wind 10 to 15 mph.
Monday Night
Partly cloudy, with a low around 52. Southwest wind 9 to 11 mph.
Tuesday
Partly sunny, with a high near 62. West wind 10 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
4:17 am EDT Oct 14, 2026
Forecast Valid:
4am EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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