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

38°F

3°C

Humidity 83%
Wind Speed W 13 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 33°F (1°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 26 Feb 8:53 am EST
Extended Forecast for

Nantucket MA

  • Today

    Today: Increasing clouds, with a high near 37. Northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of snow before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 24. Light and variable wind becoming north 5 to 10 mph in the evening. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. South wind 5 to 9 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. South wind 6 to 10 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. West wind around 7 mph becoming north after midnight.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 37. North wind 9 to 13 mph.

    High: 37 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. North wind 11 to 14 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: A chance of snow after 4pm. Mostly cloudy, with a high near 28. North wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 28 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 37. Northwest wind 5 to 8 mph becoming calm in the afternoon.
Tonight
A slight chance of snow before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 24. Light and variable wind becoming north 5 to 10 mph in the evening. Chance of precipitation is 20%.
Friday
Sunny, with a high near 36. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 32. South wind 5 to 9 mph.
Saturday
Sunny, with a high near 42. South wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 31. West wind around 7 mph becoming north after midnight.
Sunday
Mostly cloudy, with a high near 37. North wind 9 to 13 mph.
Sunday Night
Partly cloudy, with a low around 21. North wind 11 to 14 mph.
Monday
A chance of snow after 4pm. Mostly cloudy, with a high near 28. North wind 8 to 11 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 23. Northeast wind 7 to 9 mph.
Tuesday
A chance of rain. Mostly cloudy, with a high near 37. East wind 9 to 13 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 30. South wind 11 to 13 mph becoming southwest after midnight. Chance of precipitation is 50%.
Wednesday
A chance of rain. Partly sunny, with a high near 41. West wind 10 to 14 mph. Chance of precipitation is 50%.
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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:
8:40 am EST Feb 26, 2026
Forecast Valid:
9am EST Feb 26, 2026-6pm EST Mar 4, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation