Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

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

Fair

68°F

20°C

Humidity 78%
Wind Speed N 12 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 5 Sep 5:53 am EDT
Detailed forecast for

Nantucket County

Today
Sunny. Near steady temperature in the upper 60s. North winds 10 to 15 mph.
Tonight
Partly cloudy. Near steady temperature in the lower 60s. North winds 10 to 15 mph.
Sunday
Sunny. Highs in the upper 60s. Temperature falling to around 60 in the afternoon. North winds 15 to 20 mph.
Sunday Night
Mostly clear. Near steady temperature in the mid 50s. Northwest winds 10 to 15 mph.
Labor Day
Sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph.
Monday Night And Tuesday
Mostly clear. Lows in the mid 60s. Highs in the lower 70s.
Tuesday Night And Wednesday
Mostly cloudy. Lows in the mid 60s. Highs in the lower 70s.
Wednesday Night
Mostly cloudy with a 40 percent chance of showers. Windy with lows in the mid 60s.
Thursday
Partly sunny with a 30 percent chance of showers. Breezy with highs in the mid 70s.
Thursday Night And Friday
Partly cloudy. Lows in the lower 60s. Highs around 70.



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402 AM EDT Sat Sep 5 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database