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

43°F

6°C

Humidity 97%
Wind Speed Calm
Barometer 29.91 in (1012.8 mb)
Dewpoint 42°F (6°C)
Visibility 3.00 mi
Last update 23 Apr 7:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 53. West wind 6 to 13 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 39. North wind around 7 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49. North wind around 10 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. Northeast wind around 9 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 39. East wind around 5 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 8am. Partly sunny, with a high near 51. Northeast wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. Northeast wind around 7 mph.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. Northeast wind 9 to 13 mph.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 53. West wind 6 to 13 mph.
Tonight
Mostly clear, with a low around 39. North wind around 7 mph.
Friday
Mostly sunny, with a high near 49. North wind around 10 mph.
Friday Night
Partly cloudy, with a low around 35. Light and variable wind.
Saturday
Mostly sunny, with a high near 49. Northeast wind around 9 mph.
Saturday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 39. East wind around 5 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before 8am. Partly sunny, with a high near 51. Northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 41. Northeast wind around 7 mph.
Monday
Mostly sunny, with a high near 51. Northeast wind 9 to 13 mph.
Monday Night
Partly cloudy, with a low around 42. Northeast wind around 9 mph.
Tuesday
A chance of showers. Mostly sunny, with a high near 52. Northeast wind 11 to 16 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 42. East wind 11 to 13 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 53. East wind 13 to 15 mph. Chance of precipitation is 50%.
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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:
7:40 am EDT Apr 23, 2026
Forecast Valid:
8am EDT Apr 23, 2026-6pm EDT Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

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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