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.

Overcast

59°F

15°C

Humidity 81%
Wind Speed NE 8 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 27 Jun 5:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: Mostly sunny, with a high near 69. East wind 10 to 13 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers after 3am. Increasing clouds, with a low around 61. East wind around 10 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 2pm, then a slight chance of showers after 3pm. Patchy fog. Otherwise, mostly cloudy, with a high near 70. Southeast wind 10 to 14 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 74. West wind around 10 mph.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. West wind around 7 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. South wind 6 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. South wind around 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 10am. Partly sunny, with a high near 77. Southwest wind 13 to 16 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 69. East wind 10 to 13 mph.
Tonight
A slight chance of showers after 3am. Increasing clouds, with a low around 61. East wind around 10 mph. Chance of precipitation is 20%.
Saturday
A chance of showers before 2pm, then a slight chance of showers after 3pm. Patchy fog. Otherwise, mostly cloudy, with a high near 70. Southeast wind 10 to 14 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers, with thunderstorms also possible after 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 74. West wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 64. West wind around 7 mph.
Monday
Mostly sunny, with a high near 74. South wind 6 to 10 mph.
Monday Night
Mostly cloudy, with a low around 66. South wind around 10 mph.
Tuesday
A chance of showers after 10am. Partly sunny, with a high near 77. Southwest wind 13 to 16 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 67. Southwest wind 10 to 14 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 79. Southwest wind 9 to 13 mph.
Wednesday Night
Mostly clear, with a low around 67. West wind 7 to 10 mph.
Thursday
Sunny, with a high near 78. Southwest wind 8 to 11 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:
3:07 am EDT Jun 27, 2025
Forecast Valid:
6am EDT Jun 27, 2025-6pm EDT Jul 3, 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