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

29°F

-2°C

Humidity 69%
Wind Speed SE 6 mph
Barometer 30.23 in (1023.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 5 Dec 2:53 pm EST
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. South wind around 5 mph becoming light and variable.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of light rain after 3pm. Cloudy, with a high near 46. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 46 °F

    Cloudy then
    Slight Chance
    Light Rain

  • Saturday Night

    Saturday Night: A slight chance of light rain before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 34. South wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Light Rain
    then Mostly
    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 44. Northwest wind 7 to 10 mph.

    High: 44 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 28. West wind 6 to 10 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A slight chance of snow before 8am, then a slight chance of rain between 8am and 11am. Mostly sunny, with a high near 39. Northwest wind 14 to 17 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. North wind 10 to 15 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. North wind 8 to 13 mph becoming southwest in the afternoon.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 34. West wind around 15 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. South wind around 5 mph becoming light and variable.
Saturday
A slight chance of light rain after 3pm. Cloudy, with a high near 46. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of light rain before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 34. South wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 20%.
Sunday
Increasing clouds, with a high near 44. Northwest wind 7 to 10 mph.
Sunday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 28. West wind 6 to 10 mph. Chance of precipitation is 20%.
Monday
A slight chance of snow before 8am, then a slight chance of rain between 8am and 11am. Mostly sunny, with a high near 39. Northwest wind 14 to 17 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 24. North wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 43. North wind 8 to 13 mph becoming southwest in the afternoon.
Tuesday Night
A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 34. West wind around 15 mph. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 51. Southwest wind 11 to 14 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 39. South wind 11 to 13 mph. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 48. West wind 13 to 15 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 33. West wind around 14 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 44. West wind around 16 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
2:40 pm EST Dec 5, 2025
Forecast Valid:
3pm EST Dec 5, 2025-6pm EST Dec 12, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation