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.

Fair

56°F

13°C

Humidity 53%
Wind Speed W 20 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 1 May 1:53 pm EDT
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. West wind 11 to 14 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. West wind around 7 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Isolated showers before noon, then rain likely, mainly after 4pm. Increasing clouds, with a high near 52. South wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Isolated
    Showers then
    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Low around 47. South wind around 7 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Rain

  • Sunday

    Sunday: Rain, mainly before 2pm. High near 55. Breezy, with a northwest wind 17 to 22 mph. Chance of precipitation is 90%.

    High: 55 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. West wind 10 to 18 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Southwest wind 10 to 16 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Southwest wind 11 to 14 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. South wind 13 to 17 mph.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 55. West wind 11 to 14 mph.
Tonight
Mostly clear, with a low around 46. West wind around 7 mph.
Saturday
Isolated showers before noon, then rain likely, mainly after 4pm. Increasing clouds, with a high near 52. South wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 47. South wind around 7 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain, mainly before 2pm. High near 55. Breezy, with a northwest wind 17 to 22 mph. Chance of precipitation is 90%.
Sunday Night
Mostly clear, with a low around 45. West wind 10 to 18 mph.
Monday
Sunny, with a high near 56. Southwest wind 10 to 16 mph.
Monday Night
Mostly clear, with a low around 48. Southwest wind 11 to 14 mph.
Tuesday
Sunny, with a high near 58. South wind 13 to 17 mph.
Tuesday Night
Partly cloudy, with a low around 51. South wind around 15 mph.
Wednesday
Mostly cloudy, with a high near 59. South wind 13 to 16 mph.
Wednesday Night
A chance of showers. Cloudy, with a low around 50. South wind around 13 mph. Chance of precipitation is 50%.
Thursday
Showers likely. Mostly cloudy, with a high near 57. South wind around 15 mph. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
1:57 pm EDT May 1, 2026
Forecast Valid:
2pm EDT May 1, 2026-6pm EDT May 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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