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

45°F

7°C

Humidity 61%
Wind Speed S 16 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 22 Apr 9:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Scattered showers, mainly after noon. Cloudy, with a high near 46. South wind 13 to 17 mph. Chance of precipitation is 40%.

    High: 46 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before midnight. Cloudy, with a low around 41. Southeast wind 8 to 14 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers after 2pm. Mostly cloudy, with a high near 53. West wind 5 to 11 mph. Chance of precipitation is 20%.

    High: 53 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers before 9pm. Partly cloudy, with a low around 40. North wind around 8 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Isolated
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51. North wind around 10 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. West wind 5 to 7 mph becoming north after midnight.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Northeast wind around 11 mph.

    High: 48 °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. East wind 6 to 9 mph.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Scattered showers, mainly after noon. Cloudy, with a high near 46. South wind 13 to 17 mph. Chance of precipitation is 40%.
Tonight
Scattered showers, mainly before midnight. Cloudy, with a low around 41. Southeast wind 8 to 14 mph. Chance of precipitation is 40%.
Thursday
Isolated showers after 2pm. Mostly cloudy, with a high near 53. West wind 5 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers before 9pm. Partly cloudy, with a low around 40. North wind around 8 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 51. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 39. West wind 5 to 7 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 48. Northeast wind around 11 mph.
Saturday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Sunday
Partly sunny, with a high near 51. East wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 41. East wind around 7 mph.
Monday
Mostly sunny, with a high near 51. Northeast wind 9 to 14 mph.
Monday Night
Mostly cloudy, with a low around 42. Northeast wind around 10 mph.
Tuesday
A chance of showers. Mostly sunny, with a high near 54. East wind 11 to 15 mph. Chance of precipitation is 30%.
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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:
8:15 am EDT Apr 22, 2026
Forecast Valid:
10am EDT Apr 22, 2026-6pm EDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation