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

69°F

21°C

Humidity 84%
Wind Speed SW 14 mph
Barometer NA
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 6 Oct 1:53 pm EDT
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 71. Southwest wind around 14 mph.

    High: 71 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Southwest wind around 10 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Southwest wind 10 to 14 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. Southwest wind 11 to 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 71. Southwest wind 14 to 16 mph becoming west in the afternoon. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 49. North wind 14 to 17 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61. North wind 15 to 18 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Northeast wind 8 to 10 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. East wind around 8 mph becoming south in the afternoon.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 71. Southwest wind around 14 mph.
Tonight
Mostly cloudy, with a low around 60. Southwest wind around 10 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 72. Southwest wind 10 to 14 mph.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. Southwest wind 11 to 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers. High near 71. Southwest wind 14 to 16 mph becoming west in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 49. North wind 14 to 17 mph. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 61. North wind 15 to 18 mph.
Thursday Night
Mostly clear, with a low around 45. Northeast wind 8 to 10 mph.
Friday
Sunny, with a high near 64. East wind around 8 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 53. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 66. North wind 7 to 10 mph becoming east in the afternoon.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. Northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 66. Northeast wind 15 to 17 mph. Chance of precipitation is 30%.
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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:
12:22 pm EDT Oct 6, 2025
Forecast Valid:
2pm EDT Oct 6, 2025-6pm EDT Oct 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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