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.

Fair

64°F

18°C

Humidity 78%
Wind Speed SW 7 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Jun 8:53 am EDT
Extended Forecast for

3 Miles WSW Nantucket MA

  • Today

    Today: Mostly sunny, with a high near 71. South wind 6 to 8 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 75. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 75 °F

    Patchy Fog
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 66. Breezy, with a south wind 13 to 20 mph.

    Low: 66 °F

    Patchy Fog
    and Breezy
    then Partly
    Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 76. West wind 11 to 17 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. West wind 11 to 15 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Breezy, with a southwest wind 16 to 20 mph.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. West wind around 14 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Southwest wind 14 to 16 mph.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 71. South wind 6 to 8 mph.
Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 60. South wind around 6 mph.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 75. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 66. Breezy, with a south wind 13 to 20 mph.
Juneteenth
Mostly sunny, with a high near 76. West wind 11 to 17 mph.
Friday Night
Mostly clear, with a low around 65. West wind 11 to 15 mph.
Saturday
Sunny, with a high near 80. Breezy, with a southwest wind 16 to 20 mph.
Saturday Night
Mostly clear, with a low around 65. West wind around 14 mph.
Sunday
Sunny, with a high near 75. Southwest wind 14 to 16 mph.
Sunday Night
Partly cloudy, with a low around 65. Southwest wind 6 to 11 mph.
Monday
A chance of showers. Partly sunny, with a high near 76. South wind 6 to 13 mph. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 64. West wind around 14 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers. Mostly sunny, with a high near 75. North wind around 13 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Nantucket MA
 41.26°N 70.15°W (Elev. 3 ft)
Last Update:
4:59 am EDT Jun 17, 2026
Forecast Valid:
9am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
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Additional Resources

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