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

49°F

9°C

Humidity 66%
Wind Speed E 10 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 23 Apr 6:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Mostly clear, with a low around 39. North wind around 6 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50. North wind 8 to 10 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Calm wind becoming north around 5 mph after midnight.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. North wind 8 to 10 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 39. East wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly after 9am. Mostly cloudy, with a high near 50. East wind 9 to 13 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 41. Northeast wind 10 to 13 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 50. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Northeast wind 10 to 13 mph.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 39. North wind around 6 mph.
Friday
Sunny, with a high near 50. North wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 38. Calm wind becoming north around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 49. North wind 8 to 10 mph.
Saturday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 39. East wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly after 9am. Mostly cloudy, with a high near 50. East wind 9 to 13 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41. Northeast wind 10 to 13 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 50. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 42. Northeast wind 10 to 13 mph.
Tuesday
Partly sunny, with a high near 53. East wind 10 to 15 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44. East wind around 10 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 54. East wind 10 to 14 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45. East wind around 9 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 54. East wind 9 to 13 mph becoming southeast in the afternoon. 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:
2:33 pm EDT Apr 23, 2026
Forecast Valid:
7pm EDT Apr 23, 2026-6pm EDT Apr 30, 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