Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

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

Overcast

55°F

13°C

Humidity 90%
Wind Speed SW 10 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Wind Chill52°F (11°C)
Last update 17 May 3:53 am EDT
Detailed forecast for

Nantucket County

Today
Mostly sunny. Highs in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. West winds 10 to 15 mph with gusts up to 25 mph, becoming north 5 to 10 mph after midnight.
Monday
Mostly sunny. Highs in the lower 60s. East winds 5 to 10 mph, becoming southeast in the afternoon.
Monday Night
Partly cloudy. Near steady temperature in the mid 50s. Southwest winds 10 to 15 mph.
Tuesday
Sunny. Highs around 70. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Tuesday Night
Partly cloudy. Near steady temperature around 60.
Wednesday
Sunny. Highs in the upper 60s.
Wednesday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
Thursday And Thursday Night
Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
Friday
Mostly sunny. Highs in the lower 60s.
Friday Night And Saturday
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s. Highs in the lower 60s.



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402 AM EDT Sun May 17 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database