Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25° N Lon: 70.06° W Elev: 46 ft.

Fair

59°F

15°C

Humidity 93%
Wind Speed Calm
Barometer 30.06 in (1018.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Jul 1:53 am EDT
Detailed forecast for

Nantucket County

Rest Of Tonight
Mostly clear. Near steady temperature in the lower 60s. Northeast winds around 5 mph.
Sunday
Sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.
Sunday Night
Mostly clear. Lows in the upper 50s. East winds 5 to 10 mph, becoming south after midnight.
Monday
Sunny. Highs in the upper 70s. South winds 10 to 15 mph.
Monday Night
Mostly clear. Humid with lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Through Wednesday
Mostly clear and breezy. Highs in the lower 80s. Lows in the lower 70s.
Wednesday Night
Partly cloudy. Lows in the lower 70s.
Thursday
Sunny. Highs in the lower 80s.
Thursday Night And Friday
Partly cloudy. Lows around 70. Highs around 80.
Friday Night
Partly cloudy with a 30 percent chance of showers. Lows in the upper 60s.
Saturday
Mostly sunny. Highs in the upper 70s.



Basemap Options
Click map to change the forecast location
Loading map...
103 AM EDT Sun Jul 12 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database