Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fog/Mist

74°F

23°C

Humidity 88%
Wind Speed S 20 G 26 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 3 Aug 12:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

High Surf Advisory until August 3, 09:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until August 3, 09:00pm

    NOW until 9:00pm Mon

    High Surf Advisory

  • This Afternoon

    High: 79 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am.  Patchy fog between 7pm and 1am.  Otherwise, mostly cloudy, with a low around 68. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: Increasing clouds, with a high near 77. Northwest wind 6 to 9 mph becoming southwest in the afternoon.

    High: 77 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68. Southwest wind 3 to 6 mph.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 78. Calm wind becoming south 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69. Southwest wind around 8 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Southwest wind 8 to 13 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Southwest wind 11 to 13 mph.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. Breezy, with a south wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Patchy fog between 7pm and 1am. Otherwise, mostly cloudy, with a low around 68. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Increasing clouds, with a high near 77. Northwest wind 6 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 68. Southwest wind 3 to 6 mph.
Wednesday
A slight chance of showers before 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 69. Southwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 79. Southwest wind 8 to 13 mph.
Thursday Night
Partly cloudy, with a low around 70. Southwest wind 11 to 13 mph.
Friday
Mostly sunny, with a high near 80. Southwest wind 13 to 16 mph.
Friday Night
Partly cloudy, with a low around 70. Southwest wind 11 to 14 mph.
Saturday
Mostly sunny, with a high near 80. Southwest wind 10 to 15 mph.
Saturday Night
A chance of showers. Partly cloudy, with a low around 69. Southwest wind around 11 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 80. Southwest wind 9 to 14 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.09°W (Elev. 23 ft)
12:31 pm EDT Aug 3, 2026
1pm EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
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Additional Resources

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