Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

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

Thunderstorm in Vicinity Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed S 14 mph
Barometer 29.61 in (1002.7 mb)
Dewpoint 65°F (18°C)
Visibility 5.00 mi
Last update 15 Jun 4:53 am EDT
Detailed forecast for

Nantucket County

Today
Mostly cloudy with a chance of showers and thunderstorms this morning, then mostly sunny this afternoon. Patchy fog this morning. Highs in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.
Tonight
Partly cloudy. Lows in the lower 60s. West winds 10 to 15 mph, becoming northwest after midnight.
Tuesday
Sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph, becoming southwest 10 to 15 mph in the afternoon.
Tuesday Night
Mostly clear. Lows in the lower 60s. Southwest winds 10 to 15 mph.
Wednesday
Mostly sunny. Highs in the mid 70s. South winds 5 to 10 mph.
Wednesday Night And Thursday
Mostly cloudy. Lows in the lower 60s. Highs around 80.
Thursday Night And Juneteenth
Mostly cloudy. A 40 percent chance of showers. Breezy. Lows in the mid 60s. Highs in the upper 70s.
Friday Night
Partly cloudy with a 30 percent chance of showers. Lows in the mid 60s.
Saturday
Sunny. Highs in the mid 70s.
Saturday Night And Sunday
Mostly clear. Lows in the mid 60s. Highs in the mid 70s.



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402 AM EDT Mon Jun 15 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database