National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast

68°F

20°C

Humidity 96%
Wind Speed E 12 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 5:53 pm EDT
Extended Forecast for

2 Miles ENE Nantucket Memorial Airport MA

  • Tonight

    Tonight: A chance of showers, mainly before 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Southeast wind 5 to 11 mph becoming northeast after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 70. North wind 7 to 9 mph.

    High: 70 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 68. Light northwest wind.

    Low: 68 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Southwest wind 6 to 8 mph.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 78. East wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 66. East wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers, mainly before 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Southeast wind 5 to 11 mph becoming northeast after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 70. North wind 7 to 9 mph.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 68. Light northwest wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Light west wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 70. Southwest wind 6 to 8 mph.
Thursday
A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 78. East wind 6 to 10 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 66. East wind 5 to 7 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 77. East wind 8 to 10 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 67. Southeast wind 6 to 8 mph. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 80. Southeast wind 9 to 11 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. South wind around 9 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 80. Southwest wind 9 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Nantucket Memorial Airport MA
 41.27°N 70.03°W (Elev. 52 ft)
Last Update:
1:49 pm EDT Aug 17, 2026
Forecast Valid:
6pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation