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.

Overcast

44°F

7°C

Humidity 68%
Wind Speed S 18 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 22 Apr 2:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: A chance of showers between midnight and 2am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 40. Southeast wind 8 to 14 mph. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Partly sunny, with a high near 54. Light southwest wind becoming west 6 to 11 mph in the morning.

    High: 54 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. North wind around 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. North wind 9 to 11 mph.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Light and variable wind becoming northwest around 6 mph after midnight.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. North wind 8 to 10 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 51. Northeast wind 6 to 10 mph.

    High: 51 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. Northeast wind 5 to 7 mph.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers between midnight and 2am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 40. Southeast wind 8 to 14 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 54. Light southwest wind becoming west 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 40. North wind around 7 mph.
Friday
Mostly sunny, with a high near 50. North wind 9 to 11 mph.
Friday Night
Partly cloudy, with a low around 38. Light and variable wind becoming northwest around 6 mph after midnight.
Saturday
Mostly sunny, with a high near 50. North wind 8 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Sunday
Partly sunny, with a high near 51. Northeast wind 6 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 42. Northeast wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 52. Northeast wind 9 to 11 mph.
Monday Night
Partly cloudy, with a low around 43. Northeast wind around 8 mph.
Tuesday
A chance of showers. Mostly sunny, with a high near 53. East wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44. East wind around 11 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 54. East wind 10 to 14 mph. Chance of precipitation is 40%.
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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:
3:08 pm EDT Apr 22, 2026
Forecast Valid:
3pm EDT Apr 22, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation