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.

Partly Cloudy

32°F

0°C

Humidity 66%
Wind Speed Calm
Barometer 30.24 in (1024.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 16 Dec 9:53 am EST
Extended Forecast for

Nantucket MA

  • Today

    Today: Mostly sunny, with a high near 41. Southwest wind around 11 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Southwest wind 9 to 14 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. West wind 6 to 14 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 51. Northwest wind 6 to 10 mph becoming southeast in the morning.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 43. Breezy, with a south wind 15 to 24 mph, with gusts as high as 49 mph. Chance of precipitation is 40%.

    Low: 43 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Rain, mainly before 4pm. High near 53. Breezy, with a south wind 20 to 25 mph, with gusts as high as 50 mph. Chance of precipitation is 90%.

    High: 53 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: A chance of rain before 8pm. Partly cloudy, with a low around 28. Breezy, with a west wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Rain
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42. West wind 11 to 14 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 41. Southwest wind around 11 mph.
Tonight
Mostly cloudy, with a low around 35. Southwest wind 9 to 14 mph.
Wednesday
Mostly sunny, with a high near 48. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 36. West wind 6 to 14 mph.
Thursday
Sunny, with a high near 51. Northwest wind 6 to 10 mph becoming southeast in the morning.
Thursday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 43. Breezy, with a south wind 15 to 24 mph, with gusts as high as 49 mph. Chance of precipitation is 40%.
Friday
Rain, mainly before 4pm. High near 53. Breezy, with a south wind 20 to 25 mph, with gusts as high as 50 mph. Chance of precipitation is 90%.
Friday Night
A chance of rain before 8pm. Partly cloudy, with a low around 28. Breezy, with a west wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 42. West wind 11 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 34. Southwest wind 11 to 14 mph.
Sunday
Partly sunny, with a high near 47. Southwest wind 13 to 15 mph.
Sunday Night
Partly cloudy, with a low around 29. Northwest wind around 11 mph.
Monday
Mostly sunny, with a high near 38. Northwest wind 11 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
7:07 am EST Dec 16, 2025
Forecast Valid:
10am EST Dec 16, 2025-6pm EST Dec 22, 2025
 
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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