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

53°F

12°C

Humidity 77%
Wind Speed NE 3 mph
Barometer NA
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Oct 5:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Mostly clear, with a low around 51. North wind around 6 mph becoming light and variable.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. South wind 5 to 11 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 3am. Mostly cloudy, with a low around 55. South wind 13 to 17 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers, mainly after 9am. High near 64. Breezy, with a southeast wind 17 to 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 54. West wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers before 10am. Sunny, with a high near 64. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. South wind 8 to 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 11am. Partly sunny, with a high near 65. South wind 10 to 15 mph. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 52. West wind around 11 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 51. North wind around 6 mph becoming light and variable.
Sunday
Sunny, with a high near 64. South wind 5 to 11 mph.
Sunday Night
A slight chance of showers after 3am. Mostly cloudy, with a low around 55. South wind 13 to 17 mph. Chance of precipitation is 20%.
Monday
Showers, mainly after 9am. High near 64. Breezy, with a southeast wind 17 to 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 54. West wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday
A slight chance of showers before 10am. Sunny, with a high near 64. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 54. South wind 8 to 10 mph.
Wednesday
Showers likely, mainly after 11am. Partly sunny, with a high near 65. South wind 10 to 15 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52. West wind around 11 mph. Chance of precipitation is 50%.
Thursday
A chance of showers after 3pm. Mostly sunny, with a high near 61. West wind 13 to 15 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48. West wind around 10 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly sunny, with a high near 60. West wind around 11 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 48. Northwest wind around 9 mph.
Saturday
A chance of showers. Partly sunny, with a high near 61. West wind 9 to 11 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:
2:59 pm EDT Oct 18, 2025
Forecast Valid:
6pm EDT Oct 18, 2025-6pm EDT Oct 25, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation