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

73°F

23°C

Humidity 96%
Wind Speed W 13 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 72°F (22°C)
Visibility 5.00 mi
Last update 7 Aug 8:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Showers likely between 10pm and 11pm. The rain could be heavy at times. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 9 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Heavy Rain
    and Patchy
    Fog then
    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 82. Southwest wind 9 to 14 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 71. Southwest wind 9 to 11 mph.

    Low: 71 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 83. Southwest wind 9 to 13 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. West wind 7 to 10 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Light and variable wind becoming south 5 to 9 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. Southwest wind around 9 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Southwest wind 10 to 15 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 10pm. Mostly cloudy, with a low around 70. West wind 8 to 11 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely between 10pm and 11pm. The rain could be heavy at times. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 9 mph. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 82. Southwest wind 9 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 71. Southwest wind 9 to 11 mph.
Sunday
Sunny, with a high near 83. Southwest wind 9 to 13 mph.
Sunday Night
Mostly clear, with a low around 70. West wind 7 to 10 mph.
Monday
Sunny, with a high near 82. Light and variable wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 71. Southwest wind around 9 mph.
Tuesday
Mostly sunny, with a high near 81. Southwest wind 10 to 15 mph.
Tuesday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 70. West wind 8 to 11 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 3pm. Partly sunny, with a high near 79. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 69. West wind around 8 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 68. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 79. West wind 10 to 13 mph.
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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:
3:31 pm EDT Aug 7, 2026
Forecast Valid:
9pm EDT Aug 7, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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