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

70°F

21°C

Humidity 57%
Wind Speed N 8 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Aug 11:53 am EDT
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West wind around 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 54. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 54 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Northeast wind 3 to 7 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Light northeast wind.

    Low: 55 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 71. Northeast wind 7 to 9 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. Northeast wind around 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. Northeast wind 7 to 9 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. East wind around 6 mph becoming southwest after midnight.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. South wind 6 to 10 mph.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind around 10 mph.
Tonight
Clear, with a low around 54. Southwest wind around 6 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 71. Northeast wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 55. Light northeast wind.
Labor Day
Mostly sunny, with a high near 71. Northeast wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 60. Northeast wind around 6 mph.
Tuesday
Sunny, with a high near 73. Northeast wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 59. East wind around 6 mph becoming southwest after midnight.
Wednesday
Sunny, with a high near 74. South wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 60. South wind around 7 mph.
Thursday
Mostly sunny, with a high near 74. East wind 8 to 11 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. South wind 8 to 10 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 75. Southeast wind 10 to 13 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
4:44 am EDT Aug 30, 2025
Forecast Valid:
12pm EDT Aug 30, 2025-6pm EDT Sep 5, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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