Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

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

Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed NE 13 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 68°F (20°C)
Visibility 1.50 mi
Last update 22 Aug 8:53 am EDT
Detailed forecast for

Nantucket County

Today
Mostly cloudy. Patchy fog. A slight chance of showers this afternoon. Highs in the lower 70s. North winds 10 to 15 mph. Chance of rain 20 percent.
Tonight
Mostly cloudy. A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Patchy fog. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph, becoming east after midnight. Chance of rain 70 percent.
Sunday
Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Patchy fog in the morning. Humid with highs in the mid 70s. South winds 10 to 15 mph. Chance of rain 70 percent.
Sunday Night
Mostly cloudy with a 30 percent chance of showers. Humid. Near steady temperature in the lower 70s. Southwest winds 10 to 15 mph.
Monday
Sunny with highs in the mid 70s. Southwest winds 10 to 15 mph.
Monday Night
Mostly clear. Lows in the upper 60s.
Tuesday
Sunny. Highs in the mid 70s.
Tuesday Night And Wednesday
Mostly clear. Lows in the mid 60s. Highs in the mid 70s.
Wednesday Night And Thursday
Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.
Thursday Night And Friday
Mostly cloudy. A 40 percent chance of showers. Lows in the upper 60s. Highs in the upper 70s.



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704 AM EDT Sat Aug 22 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database