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 68%
Wind Speed SW 10 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Jun 4:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South wind 6 to 9 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 75. Breezy, with a southwest wind 16 to 23 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Southwest wind 8 to 14 mph becoming northwest after midnight.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75. Northeast wind 6 to 8 mph becoming southeast in the afternoon.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Southwest wind around 7 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 8 to 11 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Southwest wind 7 to 9 mph becoming northwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Northeast wind around 10 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. East wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. South wind 6 to 9 mph.
Sunday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 75. Breezy, with a southwest wind 16 to 23 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 64. Southwest wind 8 to 14 mph becoming northwest after midnight.
Monday
Sunny, with a high near 75. Northeast wind 6 to 8 mph becoming southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 64. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 81. West wind 8 to 11 mph.
Tuesday Night
Mostly clear, with a low around 66. Southwest wind 7 to 9 mph becoming northwest after midnight.
Wednesday
Sunny, with a high near 77. Northeast wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 62. East wind around 6 mph.
Thursday
Partly sunny, with a high near 71. East wind 7 to 10 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61. East wind around 8 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 70. Southeast wind 10 to 14 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62. Southeast wind around 10 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 71. South wind 10 to 13 mph. Chance of precipitation is 30%.
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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:
3:21 pm EDT Jun 21, 2025
Forecast Valid:
4pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
 
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