Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast

70°F

21°C

Humidity 97%
Wind Speed E 7 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 23 Aug 9:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: A chance of showers, mainly before noon.  Areas of fog before 11am.  Otherwise, cloudy, with a high near 77. Southeast wind 8 to 11 mph becoming south in the afternoon.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Chance
    Showers and
    Areas Fog

  • Tonight

    Tonight: A slight chance of showers between 9pm and 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 67. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 79. Southwest wind 8 to 13 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Areas of fog after 1am.  Otherwise, partly cloudy, with a low around 64. Southwest wind around 8 mph.

    Low: 64 °F

    Partly Cloudy
    then Areas
    Fog

  • Tuesday

    Tuesday: Areas of fog before 7am.  Otherwise, sunny, with a high near 76. West wind 10 to 15 mph.

    High: 76 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. West wind 8 to 11 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Southwest wind 7 to 11 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Southwest wind 6 to 9 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. South wind 5 to 11 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, mainly before noon. Areas of fog before 11am. Otherwise, cloudy, with a high near 77. Southeast wind 8 to 11 mph becoming south in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers between 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 67. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 79. Southwest wind 8 to 13 mph.
Monday Night
Areas of fog after 1am. Otherwise, partly cloudy, with a low around 64. Southwest wind around 8 mph.
Tuesday
Areas of fog before 7am. Otherwise, sunny, with a high near 76. West wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 65. West wind 8 to 11 mph.
Wednesday
Sunny, with a high near 76. Southwest wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 66. Southwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 77. South wind 5 to 11 mph.
Thursday Night
A chance of showers after midnight. Mostly cloudy, with a low around 67. South wind around 9 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 78. South wind around 11 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 67. Southwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 78. West wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
9:17 am EDT Aug 23, 2026
9am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
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