Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

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

Fog

65°F

18°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 65°F (18°C)
Visibility 0.50 mi
Last update 27 Jun 3:53 am EDT
Detailed forecast for

Nantucket County

Today
Partly sunny. Patchy fog this morning. Highs in the mid 70s. West winds around 5 mph, becoming east this afternoon.
Tonight
Mostly cloudy with a 20 percent chance of showers. Patchy fog. Lows in the upper 50s. Southeast winds around 5 mph, becoming northeast after midnight.
Sunday
Mostly cloudy in the morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the lower 70s. Northeast winds 5 to 10 mph.
Sunday Night
Mostly cloudy. Lows in the lower 60s. Southeast winds around 5 mph, becoming northwest after midnight.
Monday
Mostly sunny. Highs in the lower 70s. Northeast winds around 5 mph, becoming southeast in the afternoon.
Monday Night And Tuesday
Partly cloudy. Lows in the mid 60s. Highs in the lower 70s.
Tuesday Night
Mostly cloudy with a chance of showers. Near steady temperature in the upper 60s. Chance of rain 40 percent.
Wednesday
Partly sunny with a chance of showers. Highs around 80. Chance of rain 30 percent.
Wednesday Night
Partly cloudy. Near steady temperature around 70.
Thursday
Sunny. Highs in the lower 80s.
Thursday Night
Partly cloudy. Lows around 70.
Friday
Sunny. Highs in the lower 80s.



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403 AM EDT Sat Jun 27 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database