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

60°F

16°C

Humidity 84%
Wind Speed W 16 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 May 11:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 55. North wind around 7 mph.

    Low: 55 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 65. East wind 10 to 13 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 56. South wind 9 to 11 mph.

    Low: 56 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Breezy, with a southwest wind 15 to 21 mph.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Southwest wind around 17 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 32 mph.

    High: 67 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 5am. Mostly cloudy, with a low around 54. Southwest wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 63. North wind 13 to 15 mph.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 55. North wind around 7 mph.
Monday
Mostly sunny, with a high near 65. East wind 10 to 13 mph.
Monday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 56. South wind 9 to 11 mph.
Tuesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Breezy, with a southwest wind 15 to 21 mph.
Tuesday Night
Partly cloudy, with a low around 58. Southwest wind around 17 mph.
Wednesday
Sunny, with a high near 67. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 32 mph.
Wednesday Night
A chance of showers between 8pm and 5am. Mostly cloudy, with a low around 54. Southwest wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 63. North wind 13 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 51. Light and variable wind.
Friday
Partly sunny, with a high near 61. Northeast wind 8 to 10 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Southeast wind around 7 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 62. Southeast wind 8 to 14 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 52. Southeast wind around 9 mph. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 63. Northeast wind 10 to 14 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
4:34 pm EDT May 17, 2026
Forecast Valid:
2am EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation