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.

Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed NW 9 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 10 Jul 9:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: A chance of showers, mainly before 3am. Areas of fog. Otherwise, cloudy, with a low around 66. South wind around 6 mph becoming light and variable. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. North wind 5 to 8 mph becoming east in the afternoon.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 64. Southeast wind 3 to 5 mph.

    Low: 64 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. East wind 8 to 10 mph.

    High: 74 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 63. East wind around 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. East wind 8 to 10 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 65. East wind around 6 mph.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Southeast wind 6 to 8 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly before 3am. Areas of fog. Otherwise, cloudy, with a low around 66. South wind around 6 mph becoming light and variable. Chance of precipitation is 40%.
Friday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. North wind 5 to 8 mph becoming east in the afternoon.
Friday Night
Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 64. Southeast wind 3 to 5 mph.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. East wind 8 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 63. East wind around 6 mph.
Sunday
Mostly sunny, with a high near 75. East wind 8 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 65. East wind around 6 mph.
Monday
Mostly sunny, with a high near 78. Southeast wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 80. Southwest wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 69. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 82. Southwest wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind around 7 mph.
Thursday
Sunny, with a high near 81. Southwest wind 9 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
2:10 pm EDT Jul 10, 2025
Forecast Valid:
9pm EDT Jul 10, 2025-6pm EDT Jul 17, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation