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

71°F

22°C

Humidity 51%
Wind Speed E 13 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 2 Sep 10:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: Sunny, with a high near 72. East wind around 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 56. East wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 8am. Otherwise, sunny, with a high near 71. Northeast wind around 7 mph.

    High: 71 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Southwest wind 3 to 5 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. South wind 5 to 9 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. South wind around 8 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 77. South wind 10 to 14 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. South wind around 11 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between 11am and 1pm. Partly sunny, with a high near 77. South wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 72. East wind around 10 mph.
Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 56. East wind around 6 mph becoming calm in the evening.
Wednesday
Patchy dense fog before 8am. Otherwise, sunny, with a high near 71. Northeast wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 59. Southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 74. South wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 62. South wind around 8 mph.
Friday
Sunny, with a high near 77. South wind 10 to 14 mph.
Friday Night
Partly cloudy, with a low around 65. South wind around 11 mph.
Saturday
A chance of showers between 11am and 1pm. Partly sunny, with a high near 77. South wind 10 to 14 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 62. Southwest wind around 10 mph. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 74. West wind around 10 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59. Northwest wind around 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 71. North wind around 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
4:06 am EDT Sep 2, 2025
Forecast Valid:
11am EDT Sep 2, 2025-6pm EDT Sep 8, 2025
 
Forecast Discussion
 
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Additional Resources

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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