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 86%
Wind Speed E 7 mph
Barometer 30.49 in (1032.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 24 May 2:53 am EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: A chance of rain, mainly after 4am. Cloudy, with a low around 50. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 7am. The rain could be heavy at times. High near 55. Breezy, with an east wind 17 to 21 mph, with gusts as high as 33 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 22 mph, with gusts as high as 38 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 68. South wind 8 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: 68 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Southwest wind 3 to 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 68. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 68 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Southwest wind around 8 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. West wind 9 to 15 mph.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. Southwest wind 8 to 10 mph.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain, mainly after 4am. Cloudy, with a low around 50. East wind around 11 mph, with gusts as high as 22 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 17 to 21 mph, with gusts as high as 33 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 22 mph, with gusts as high as 38 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 68. South wind 8 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 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 68. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 57. Southwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 68. West wind 9 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 57. Southwest wind 8 to 10 mph.
Thursday
Partly sunny, with a high near 65. Northeast wind 7 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 53. Northeast wind around 8 mph becoming north after midnight.
Friday
A chance of showers. Partly sunny, with a high near 62. North wind around 11 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 53. Southeast wind 7 to 9 mph becoming southwest after midnight. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 63. Southwest wind 10 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
7:44 pm EDT May 23, 2026
Forecast Valid:
3am EDT May 24, 2026-6pm EDT May 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation