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

70°F

21°C

Humidity 59%
Wind Speed N 10 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Aug 1:53 pm EDT
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Northeast wind around 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. East wind 7 to 9 mph.

    Low: 59 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 73. Northeast wind 11 to 13 mph.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. Northeast wind around 9 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Northeast wind 10 to 13 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Northeast wind around 6 mph becoming light and variable after midnight.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northwest wind 6 to 9 mph becoming southwest in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. Southwest wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. South wind 6 to 10 mph.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 59. East wind 7 to 9 mph.
Labor Day
Partly sunny, with a high near 73. Northeast wind 11 to 13 mph.
Monday Night
Mostly cloudy, with a low around 59. Northeast wind around 9 mph.
Tuesday
Mostly sunny, with a high near 72. Northeast wind 10 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 59. Northeast wind around 6 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 73. Northwest wind 6 to 9 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 74. South wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 62. South wind around 8 mph.
Friday
A chance of showers. Partly sunny, with a high near 76. South wind 10 to 13 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 63. South wind around 10 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 76. Southwest wind 10 to 13 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:
2:09 pm EDT Aug 31, 2025
Forecast Valid:
2pm EDT Aug 31, 2025-6pm EDT Sep 6, 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