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

47°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 29.76 in (1007.8 mb)
Dewpoint 47°F (8°C)
Visibility 1.75 mi
Last update 30 Apr 4:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: A chance of showers. Cloudy, with a low around 44. South wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers between noon and 3pm. Mostly cloudy, with a high near 55. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. West wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 57. West wind 10 to 14 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West wind 7 to 11 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 2pm. Partly sunny, with a high near 55. South wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 11pm. Cloudy, with a low around 43. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: A chance of rain before 2pm. Partly sunny, with a high near 54. North wind 10 to 14 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 54 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. West wind 10 to 13 mph.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 44. South wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers between noon and 3pm. Mostly cloudy, with a high near 55. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. West wind 5 to 9 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 57. West wind 10 to 14 mph.
Friday Night
Partly cloudy, with a low around 43. West wind 7 to 11 mph.
Saturday
A slight chance of rain after 2pm. Partly sunny, with a high near 55. South wind 6 to 11 mph. Chance of precipitation is 20%.
Saturday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 43. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 60%.
Sunday
A chance of rain before 2pm. Partly sunny, with a high near 54. North wind 10 to 14 mph becoming west in the afternoon. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 43. West wind 10 to 13 mph.
Monday
Sunny, with a high near 55. Southwest wind 10 to 18 mph.
Monday Night
Partly cloudy, with a low around 48. Southwest wind around 17 mph.
Tuesday
Mostly sunny, with a high near 58. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 34 mph.
Tuesday Night
Partly cloudy, with a low around 48. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Wednesday
Partly sunny, with a high near 59. South wind 13 to 17 mph.
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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:
2:30 am EDT Apr 30, 2026
Forecast Valid:
5am EDT Apr 30, 2026-6pm EDT May 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation