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

64°F

18°C

Humidity 81%
Wind Speed SW 8 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Sep 6:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Clear, with a low around 60. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 71. East wind around 8 mph becoming southeast in the afternoon.

    High: 71 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 63. South wind around 8 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 75. Southeast wind 10 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 64. West wind around 7 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73. North wind 9 to 13 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. North wind 9 to 15 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Northeast wind 10 to 13 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. East wind 5 to 7 mph.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 60. Calm wind becoming northeast 5 to 7 mph after midnight.
Saturday
Increasing clouds, with a high near 71. East wind around 8 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 63. South wind around 8 mph.
Sunday
Showers and possibly a thunderstorm. High near 75. Southeast wind 10 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 64. West wind around 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 73. North wind 9 to 13 mph.
Monday Night
Mostly clear, with a low around 59. North wind 9 to 15 mph.
Tuesday
Sunny, with a high near 68. Northeast wind 10 to 13 mph.
Tuesday Night
Mostly clear, with a low around 58. East wind 5 to 7 mph.
Wednesday
Sunny, with a high near 70. South wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 62. Southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 73. Southwest wind 7 to 13 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 62. Southwest wind 9 to 11 mph becoming north after midnight. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 71. Northeast wind around 15 mph.
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:
2:28 pm EDT Sep 11, 2026
Forecast Valid:
7pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
 
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