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 72%
Wind Speed N 15 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 17 Oct 5:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Mostly clear, with a low around 48. North wind 11 to 18 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60. North wind 10 to 13 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Light and variable wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. South wind 6 to 13 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 55. South wind 11 to 15 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers. High near 65. Southeast wind around 18 mph. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 53. West wind around 14 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Southwest wind 13 to 15 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 54. South wind around 11 mph. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 48. North wind 11 to 18 mph.
Saturday
Sunny, with a high near 60. North wind 10 to 13 mph.
Saturday Night
Mostly clear, with a low around 51. Light and variable wind.
Sunday
Sunny, with a high near 64. South wind 6 to 13 mph.
Sunday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 55. South wind 11 to 15 mph. Chance of precipitation is 30%.
Monday
Showers. High near 65. Southeast wind around 18 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 53. West wind around 14 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 64. Southwest wind 13 to 15 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54. South wind around 11 mph. Chance of precipitation is 50%.
Wednesday
Showers likely, mainly before 1pm. Partly sunny, with a high near 63. South wind 13 to 16 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50. West wind around 14 mph. Chance of precipitation is 40%.
Thursday
Sunny, with a high near 61. West wind around 15 mph.
Thursday Night
Partly cloudy, with a low around 50. West wind around 10 mph.
Friday
A chance of showers. Partly sunny, with a high near 61. Southwest wind 10 to 13 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 70.12°W (Elev. 49 ft)
Last Update:
2:25 pm EDT Oct 17, 2025
Forecast Valid:
6pm EDT Oct 17, 2025-6pm EDT Oct 24, 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