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.

50°F

10°C

Humidity 83%
Wind Speed E 9 mph
Barometer 30.49 in (1032.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 24 May 1:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: A chance of rain, mainly after 4am. Cloudy, with a low around 51. East wind around 15 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 7am. The rain could be heavy at times. High near 55. Breezy, with an east wind 20 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: Rain, with thunderstorms also possible after 11pm. Some of the storms could produce heavy rainfall. Low around 55. Breezy, with a southeast wind 15 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 55 °F

    Heavy Rain
    and Breezy

  • Memorial Day

    Memorial Day: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 66. South wind 11 to 14 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Southwest wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Southwest wind around 9 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. West wind 10 to 16 mph.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. Southwest wind 9 to 11 mph.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain, mainly after 4am. Cloudy, with a low around 51. East wind around 15 mph. Chance of precipitation is 30%.
Sunday
Rain, mainly after 7am. The rain could be heavy at times. High near 55. Breezy, with an east wind 20 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain, with thunderstorms also possible after 11pm. Some of the storms could produce heavy rainfall. Low around 55. Breezy, with a southeast wind 15 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 66. South wind 11 to 14 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly cloudy, with a low around 56. Southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 67. Calm wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 57. Southwest wind around 9 mph.
Wednesday
Partly sunny, with a high near 68. West wind 10 to 16 mph.
Wednesday Night
Mostly cloudy, with a low around 57. Southwest wind 9 to 11 mph.
Thursday
Partly sunny, with a high near 65. Northeast wind 8 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 53. Northeast wind 7 to 9 mph becoming north after midnight.
Friday
A chance of showers. Partly sunny, with a high near 62. North wind 11 to 14 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 53. Southeast wind 8 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 62. Southwest wind around 14 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
7:44 pm EDT May 23, 2026
Forecast Valid:
2am EDT May 24, 2026-6pm EDT May 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation