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.

Fair

63°F

17°C

Humidity 81%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 7:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Light northeast wind becoming north 9 to 14 mph in the evening. Winds could gust as high as 28 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Northeast wind 10 to 13 mph, with gusts as high as 28 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. East wind around 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 67. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 58. Southeast wind 7 to 9 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 66. Northeast wind 14 to 17 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers after 5am. Mostly cloudy, with a low around 56. Northeast wind 14 to 16 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. Breezy, with a northeast wind around 21 mph.

    High: 64 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. Breezy, with a northeast wind around 21 mph.

    Low: 56 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Light northeast wind becoming north 9 to 14 mph in the evening. Winds could gust as high as 28 mph.
Saturday
Mostly sunny, with a high near 65. Northeast wind 10 to 13 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 47. East wind around 6 mph.
Sunday
A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 67. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Sunday Night
Showers, mainly after 8pm. Low around 58. Southeast wind 7 to 9 mph. Chance of precipitation is 90%.
Monday
A chance of showers. Mostly cloudy, with a high near 66. Northeast wind 14 to 17 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers after 5am. Mostly cloudy, with a low around 56. Northeast wind 14 to 16 mph. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 64. Breezy, with a northeast wind around 21 mph.
Tuesday Night
Mostly cloudy, with a low around 56. Breezy, with a northeast wind around 21 mph.
Wednesday
Partly sunny, with a high near 64. Breezy, with a northeast wind 22 to 24 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Breezy, with a northeast wind 23 to 25 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 64. Windy, with a northeast wind 22 to 26 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. Breezy, with a northeast wind 20 to 22 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 65. Breezy, with a north wind 20 to 23 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
2:31 pm EDT Sep 18, 2026
Forecast Valid:
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026
 
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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