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

63°F

17°C

Humidity 97%
Wind Speed S 7 mph
Barometer 30.24 in (1023.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 9 Sep 2:53 am EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. Light southeast wind.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74. South wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 11pm, then a chance of showers after midnight. Mostly cloudy, with a low around 69. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers, mainly before 10am. Mostly sunny, with a high near 77. Breezy, with a southwest wind 18 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.

    High: 77 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly between 10pm and 2am. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 61. West wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 74. North wind around 11 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Light and variable wind becoming southeast 5 to 8 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. South wind around 7 mph.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. Light southeast wind.
Wednesday
Partly sunny, with a high near 74. South wind 7 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
A slight chance of showers before 11pm, then a chance of showers after midnight. Mostly cloudy, with a low around 69. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, mainly before 10am. Mostly sunny, with a high near 77. Breezy, with a southwest wind 18 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers, mainly between 10pm and 2am. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 61. West wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 74. North wind around 11 mph.
Friday Night
Mostly clear, with a low around 54. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 72. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 60. South wind around 7 mph.
Sunday
A chance of showers after 10am. Partly sunny, with a high near 72. South wind 10 to 13 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62. South wind around 8 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 73. West wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 63. East wind around 8 mph.
Tuesday
Mostly sunny, with a high near 72. East wind 10 to 13 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
2:40 am EDT Sep 9, 2026
Forecast Valid:
3am EDT Sep 9, 2026-6pm EDT Sep 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation