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

39°F

4°C

Humidity 79%
Wind Speed NW 14 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 3 Dec 11:53 am EST
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 43. West wind 6 to 11 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Light southwest wind becoming west 6 to 11 mph in the evening. Winds could gust as high as 22 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain between noon and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 43. Breezy, with a west wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Blustery, with a northwest wind 14 to 24 mph, with gusts as high as 44 mph.

    Low: 20 °F

    Mostly Clear
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 33. North wind around 9 mph becoming southwest in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers between 8pm and 9pm, then a chance of rain showers. Cloudy, with a low around 30. Southwest wind around 8 mph becoming southeast after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Cloudy, with a high near 44. East wind 7 to 9 mph. Chance of precipitation is 50%.

    High: 44 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 33. Northwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 44. Northwest wind 7 to 11 mph.

    High: 44 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 43. West wind 6 to 11 mph.
Tonight
Mostly cloudy, with a low around 36. Light southwest wind becoming west 6 to 11 mph in the evening. Winds could gust as high as 22 mph.
Thursday
A slight chance of rain between noon and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 43. Breezy, with a west wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 20. Blustery, with a northwest wind 14 to 24 mph, with gusts as high as 44 mph.
Friday
Mostly sunny, with a high near 33. North wind around 9 mph becoming southwest in the afternoon.
Friday Night
A slight chance of snow showers between 8pm and 9pm, then a chance of rain showers. Cloudy, with a low around 30. Southwest wind around 8 mph becoming southeast after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A chance of showers. Cloudy, with a high near 44. East wind 7 to 9 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 33. Northwest wind around 7 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 44. Northwest wind 7 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 24. Northwest wind 9 to 14 mph.
Monday
Partly sunny, with a high near 34. North wind around 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 22. North wind 11 to 14 mph.
Tuesday
Mostly sunny, with a high near 42. Northwest wind 11 to 13 mph becoming southwest in the afternoon.
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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:
11:39 am EST Dec 3, 2025
Forecast Valid:
12pm EST Dec 3, 2025-6pm EST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation