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 and Breezy

42°F

6°C

Humidity 68%
Wind Speed SW 21 G 33 mph
Barometer NA
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 10 Dec 2:53 am EST
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: A slight chance of showers after 4am. Cloudy, with a steady temperature around 42. Southwest wind around 16 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 50. South wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly between 9pm and 4am. Mostly cloudy, with a low around 34. West wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Windy, with a west wind 25 to 30 mph increasing to 31 to 36 mph in the afternoon.

    High: 44 °F

    Mostly Sunny
    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 48 mph.

    Low: 27 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 37. Breezy, with a west wind 21 to 24 mph, with gusts as high as 43 mph.

    High: 37 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West wind 9 to 15 mph, with gusts as high as 29 mph.

    Low: 30 °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 14 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
A slight chance of showers after 4am. Cloudy, with a steady temperature around 42. Southwest wind around 16 mph. Chance of precipitation is 20%.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 50. South wind 14 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
A chance of rain, mainly between 9pm and 4am. Mostly cloudy, with a low around 34. West wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 44. Windy, with a west wind 25 to 30 mph increasing to 31 to 36 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 27. Windy, with a west wind 24 to 28 mph, with gusts as high as 48 mph.
Friday
Mostly sunny, with a high near 37. Breezy, with a west wind 21 to 24 mph, with gusts as high as 43 mph.
Friday Night
Partly cloudy, with a low around 30. 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 14 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 10am, then rain likely between 10am and 1pm, then a chance of snow after 1pm. 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. Blustery, with a northwest wind 17 to 20 mph.
Monday
Mostly sunny, with a high near 32. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 23. Northwest wind 11 to 14 mph.
Tuesday
Partly sunny, with a high near 36. West wind 13 to 15 mph.
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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:
1:53 am EST Dec 10, 2025
Forecast Valid:
3am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation