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

60°F

16°C

Humidity 96%
Wind Speed SE 10 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 18 Jun 12:53 am EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: A slight chance of showers. Patchy fog. Otherwise, cloudy, with a low around 59. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a slight chance of showers after 5pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 70. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 62. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms and
    Patchy Fog

  • Juneteenth

    Juneteenth: A slight chance of showers before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 10pm. Partly cloudy, with a low around 63. Southwest wind around 14 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 72. West wind around 14 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. West wind 7 to 9 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Southwest wind 7 to 10 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62. Southwest wind around 9 mph.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Patchy fog. Otherwise, cloudy, with a low around 59. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers before 2pm, then a slight chance of showers after 5pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 70. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 62. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A slight chance of showers before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 63. Southwest wind around 14 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 72. West wind around 14 mph.
Friday Night
Mostly clear, with a low around 61. West wind 7 to 9 mph.
Saturday
Sunny, with a high near 72. Southwest wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 62. Southwest wind around 9 mph.
Sunday
Mostly sunny, with a high near 73. Southwest wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 64. Southwest wind 8 to 10 mph.
Monday
Mostly sunny, with a high near 74. Southwest wind 9 to 11 mph.
Monday Night
Partly cloudy, with a low around 64. Southwest wind 8 to 10 mph.
Tuesday
Sunny, with a high near 75. 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 70.12°W (Elev. 49 ft)
Last Update:
4:49 pm EDT Jun 17, 2025
Forecast Valid:
1am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation