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

60°F

16°C

Humidity 90%
Wind Speed NE 5 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Jul 12:53 am EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Northeast wind 5 to 8 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Light south wind increasing to 8 to 13 mph in the morning.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Southwest wind around 11 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Southwest wind 14 to 17 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Breezy, with a southwest wind around 20 mph.

    Low: 70 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Breezy, with a west wind 18 to 20 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Northwest wind 7 to 15 mph.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Calm wind.
Sunday
Sunny, with a high near 79. Northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 59. Light and variable wind.
Monday
Sunny, with a high near 80. Light south wind increasing to 8 to 13 mph in the morning.
Monday Night
Mostly clear, with a low around 67. Southwest wind around 11 mph.
Tuesday
Sunny, with a high near 82. Southwest wind 14 to 17 mph.
Tuesday Night
Mostly clear, with a low around 70. Breezy, with a southwest wind around 20 mph.
Wednesday
Sunny, with a high near 82. Breezy, with a west wind 18 to 20 mph.
Wednesday Night
Partly cloudy, with a low around 70. Northwest wind 7 to 15 mph.
Thursday
Sunny, with a high near 81. Northwest wind 8 to 10 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 69. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 80. West wind 9 to 11 mph.
Friday Night
A chance of showers. Partly cloudy, with a low around 69. Southwest wind around 10 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 79. North wind 9 to 11 mph becoming south in the afternoon.
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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:
2:36 pm EDT Jul 11, 2026
Forecast Valid:
1am EDT Jul 12, 2026-6pm EDT Jul 18, 2026
 
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