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 and Windy

69°F

21°C

Humidity 68%
Wind Speed W 26 G 40 mph
Barometer 29.79 in (1008.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 1:53 pm EDT
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Breezy, with a southwest wind around 21 mph, with gusts as high as 32 mph.

    High: 72 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Southwest wind 7 to 10 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Southwest wind 6 to 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 76. Southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms between 8pm and 3am. Partly cloudy, with a low around 63. Southwest wind 8 to 11 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 75. North wind 7 to 10 mph becoming south in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Southwest wind around 7 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 9 to 11 mph.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Breezy, with a southwest wind around 21 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 59. West wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 75. Southwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 63. Southwest wind 6 to 8 mph.
Sunday
A chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 76. Southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms between 8pm and 3am. Partly cloudy, with a low around 63. Southwest wind 8 to 11 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 75. North wind 7 to 10 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 66. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 9 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 66. Southwest wind around 9 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 75. Northeast wind 10 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 62. East wind around 7 mph.
Thursday
Partly sunny, with a high near 71. East wind 8 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
11:38 am EDT Jun 20, 2025
Forecast Valid:
2pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation