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

61°F

16°C

Humidity 100%
Wind Speed E 6 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 61°F (16°C)
Visibility 0.25 mi
Last update 14 Jul 5:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming south 5 to 7 mph in the morning.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers before 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 80. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. Southwest wind around 7 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Southwest wind 7 to 10 mph.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69. Southwest wind around 8 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Southwest wind 9 to 13 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 70. Southwest wind around 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. Southwest wind around 11 mph.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming south 5 to 7 mph in the morning.
Tonight
Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 6 mph.
Tuesday
A slight chance of showers before 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 80. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 69. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 81. Southwest wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 69. Southwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 82. Southwest wind 9 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 70. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 83. Southwest wind around 11 mph.
Friday Night
Mostly cloudy, with a low around 67. Southwest wind around 8 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 80. North wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 66. East wind around 6 mph becoming southwest after midnight.
Sunday
Mostly sunny, with a high near 79. South wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
6:28 am EDT Jul 14, 2025
Forecast Valid:
6am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation