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.

Fog/Mist

57°F

14°C

Humidity 93%
Wind Speed SW 13 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 55°F (13°C)
Visibility 6.00 mi
Last update 19 May 5:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Patchy fog before 9am. Otherwise, partly sunny, with a high near 65. Breezy, with a southwest wind 14 to 20 mph.

    High: 65 °F

    Patchy Fog
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Patchy dense fog after midnight. Otherwise, mostly cloudy, with a low around 59. Southwest wind around 17 mph.

    Low: 59 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: A chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Breezy, with a southwest wind 18 to 22 mph. Chance of precipitation is 30%.

    High: 68 °F

    Breezy.
    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 54. West wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly before 8am. Partly sunny, with a high near 64. North wind 13 to 15 mph. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62. Northeast wind around 9 mph becoming east in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 50. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 9am. Cloudy, with a high near 62. East wind 8 to 17 mph. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 65. Breezy, with a southwest wind 14 to 20 mph.
Tonight
Patchy dense fog after midnight. Otherwise, mostly cloudy, with a low around 59. Southwest wind around 17 mph.
Wednesday
A chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Breezy, with a southwest wind 18 to 22 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. West wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 8am. Partly sunny, with a high near 64. North wind 13 to 15 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 62. Northeast wind around 9 mph becoming east in the afternoon.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 50. South wind around 6 mph. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 9am. Cloudy, with a high near 62. East wind 8 to 17 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely. Cloudy, with a low around 51. East wind 11 to 13 mph. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 62. East wind 14 to 16 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 52. East wind 10 to 13 mph. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 63. East wind 10 to 13 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
2:28 am EDT May 19, 2026
Forecast Valid:
6am EDT May 19, 2026-6pm EDT May 25, 2026
 
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Additional Resources

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