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

60°F

16°C

Humidity 84%
Wind Speed N 14 mph
Barometer 29.70 in (1005.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 2:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Light and variable wind becoming northeast 5 to 9 mph in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. East wind 11 to 13 mph becoming southeast in the afternoon.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 10pm and 3am. Mostly cloudy, with a low around 61. Southwest wind 10 to 16 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69. West wind 14 to 16 mph.

    High: 69 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 9pm and 1am. Partly cloudy, with a low around 54. Northwest wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 13 to 15 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. North wind around 6 mph becoming east after midnight.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Showers, mainly after noon. High near 67. South wind 9 to 16 mph. Chance of precipitation is 80%.

    High: 67 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers, mainly before midnight. Low around 48. Breezy, with a west wind 20 to 25 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Breezy.
    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. Light and variable wind becoming northeast 5 to 9 mph in the evening.
Tuesday
Mostly cloudy, with a high near 67. East wind 11 to 13 mph becoming southeast in the afternoon.
Tuesday Night
A slight chance of showers between 10pm and 3am. Mostly cloudy, with a low around 61. Southwest wind 10 to 16 mph. Chance of precipitation is 20%.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69. West wind 14 to 16 mph.
Wednesday Night
A slight chance of showers between 9pm and 1am. Partly cloudy, with a low around 54. Northwest wind 8 to 10 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 60. North wind 13 to 15 mph.
Thursday Night
Partly cloudy, with a low around 51. North wind around 6 mph becoming east after midnight.
Friday
Showers, mainly after noon. High near 67. South wind 9 to 16 mph. Chance of precipitation is 80%.
Friday Night
Showers, mainly before midnight. Low around 48. Breezy, with a west wind 20 to 25 mph. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 56. Windy, with a northwest wind 21 to 28 mph.
Saturday Night
Partly cloudy, with a low around 43. Breezy, with a northwest wind 20 to 22 mph.
Sunday
Sunny, with a high near 56. Breezy, with a northwest wind 14 to 20 mph.
Sunday Night
Partly cloudy, with a low around 49. West wind 6 to 9 mph becoming southwest after midnight.
Monday
Mostly sunny, with a high near 61. Southwest wind 9 to 15 mph.
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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:
2:04 pm EDT Oct 12, 2026
Forecast Valid:
3pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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