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.

Partly Cloudy

58°F

14°C

Humidity 58%
Wind Speed N 17 G 24 mph
Barometer NA
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Oct 1:53 am EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Mostly clear, with a low around 49. Breezy, with a north wind around 21 mph.

    Low: 49 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 60. Breezy, with a north wind 18 to 22 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. North wind 8 to 14 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. North wind around 7 mph becoming south in the afternoon.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Southwest wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Southwest wind 6 to 9 mph becoming southeast in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. East wind 6 to 10 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 66. Breezy, with an east wind 16 to 22 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 55. Breezy, with an east wind around 24 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 49. Breezy, with a north wind around 21 mph.
Thursday
Sunny, with a high near 60. Breezy, with a north wind 18 to 22 mph.
Thursday Night
Mostly clear, with a low around 41. North wind 8 to 14 mph.
Friday
Sunny, with a high near 62. North wind around 7 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 52. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 65. Southwest wind 6 to 9 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 54. East wind 6 to 10 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 66. Breezy, with an east wind 16 to 22 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 55. Breezy, with an east wind around 24 mph. Chance of precipitation is 60%.
Columbus Day
Showers likely. Mostly cloudy, with a high near 66. Windy, with an east wind 24 to 26 mph. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 55. Breezy, with an east wind 20 to 23 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 67. Northeast wind around 16 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54. Northeast wind 11 to 13 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 65. North wind around 15 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
7:22 pm EDT Oct 8, 2025
Forecast Valid:
2am EDT Oct 9, 2025-6pm EDT Oct 15, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation