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.

Mostly Cloudy

47°F

8°C

Humidity 71%
Wind Speed SW 20 G 26 mph
Barometer NA
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 10 Dec 8:53 am EST
Extended Forecast for

Nantucket MA

  • Today

    Today: Mostly cloudy, with a high near 50. Breezy, with a south wind 18 to 23 mph, with gusts as high as 39 mph.

    High: 50 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A chance of rain, mainly between 9pm and 4am. Cloudy, with a low around 38. Breezy, with a west wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 33 by 5pm. Windy, with a west wind 18 to 26 mph, with gusts as high as 45 mph.

    High: 45 °F⇓

    Decreasing
    Clouds and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Windy, with a west wind 24 to 28 mph, with gusts as high as 47 mph.

    Low: 27 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 38. Breezy, with a west wind 22 to 24 mph, with gusts as high as 43 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. West wind 9 to 15 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41. West wind 9 to 14 mph.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Mostly cloudy, with a low around 30. West wind 11 to 13 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of rain and snow before 10am, then rain likely between 10am and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a high near 38. West wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 38 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 50. Breezy, with a south wind 18 to 23 mph, with gusts as high as 39 mph.
Tonight
A chance of rain, mainly between 9pm and 4am. Cloudy, with a low around 38. Breezy, with a west wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 33 by 5pm. Windy, with a west wind 18 to 26 mph, with gusts as high as 45 mph.
Thursday Night
Partly cloudy, with a low around 27. Windy, with a west wind 24 to 28 mph, with gusts as high as 47 mph.
Friday
Mostly sunny, with a high near 38. Breezy, with a west wind 22 to 24 mph, with gusts as high as 43 mph.
Friday Night
Partly cloudy, with a low around 29. West wind 9 to 15 mph, with gusts as high as 29 mph.
Saturday
Partly sunny, with a high near 41. West wind 9 to 14 mph.
Saturday Night
A chance of snow after 2am. Mostly cloudy, with a low around 30. West wind 11 to 13 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 10am, then rain likely between 10am and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a high near 38. West wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 21. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 33. Northwest wind 14 to 18 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 22. Northwest wind 10 to 14 mph.
Tuesday
Partly sunny, with a high near 36. West wind 11 to 14 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
4:51 am EST Dec 10, 2025
Forecast Valid:
9am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation