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.

A Few Clouds

59°F

15°C

Humidity 87%
Wind Speed N 5 mph
Barometer 29.72 in (1006.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 4:53 pm EDT
Extended Forecast for

4 Miles W Nantucket MA

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Northeast wind 5 to 13 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. East wind around 14 mph becoming southeast in the afternoon.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 10pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Breezy, with a southwest wind 14 to 21 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Breezy, with a west wind 15 to 20 mph.

    High: 68 °F

    Patchy Fog
    and Breezy
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 55. Northwest wind 10 to 13 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 14 to 18 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. North wind around 7 mph becoming east after midnight.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Showers, mainly after 11am. High near 66. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers, mainly before midnight. Low around 49. Windy, with a west wind 25 to 31 mph. Chance of precipitation is 80%.

    Low: 49 °F

    Windy.
    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. Northeast wind 5 to 13 mph.
Tuesday
Mostly cloudy, with a high near 66. East wind around 14 mph becoming southeast in the afternoon.
Tuesday Night
A slight chance of showers between 10pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Breezy, with a southwest wind 14 to 21 mph. Chance of precipitation is 20%.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Breezy, with a west wind 15 to 20 mph.
Wednesday Night
A slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 55. Northwest wind 10 to 13 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 60. North wind 14 to 18 mph.
Thursday Night
Partly cloudy, with a low around 53. North wind around 7 mph becoming east after midnight.
Friday
Showers, mainly after 11am. High near 66. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 80%.
Friday Night
Showers, mainly before midnight. Low around 49. Windy, with a west wind 25 to 31 mph. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 55. Windy, with a northwest wind 24 to 32 mph.
Saturday Night
Partly cloudy, with a low around 44. Windy, with a northwest wind 25 to 28 mph.
Sunday
Sunny, with a high near 56. Breezy, with a northwest wind 14 to 23 mph.
Sunday Night
Partly cloudy, with a low around 50. West wind 9 to 13 mph becoming southwest after midnight.
Monday
Mostly sunny, with a high near 61. Southwest wind 11 to 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Nantucket MA
 41.27°N 70.18°W (Elev. 10 ft)
Last Update:
2:04 pm EDT Oct 12, 2026
Forecast Valid:
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
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