Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

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

Fair

50°F

10°C

Humidity 86%
Wind Speed S 17 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Mar 5:53 pm EDT
Detailed forecast for

Nantucket County

Tonight
Cloudy. Patchy fog this evening, then patchy dense fog after midnight. A slight chance of showers after midnight. Visibility one quarter mile or less at times after midnight. Breezy. Near steady temperature in the mid 40s. South winds 15 to 25 mph. Chance of rain 20 percent.
Thursday
Cloudy with a 50 percent chance of showers. Patchy fog. Breezy with highs in the upper 40s. Temperature falling into the lower 40s in the afternoon. Southwest winds 15 to 25 mph, becoming west 15 to 20 mph in the afternoon.
Thursday Night
Cloudy with a chance of rain showers in the evening, then mostly clear after midnight. Cooler with lows around 30. Northwest winds 15 to 20 mph. Chance of rain 40 percent.
Friday
Mostly sunny. Highs in the lower 40s. West winds 10 to 15 mph, becoming southwest in the afternoon.
Friday Night
Mostly cloudy. Lows in the upper 30s. South winds 15 to 20 mph with gusts up to 30 mph.
Saturday
Sunny, breezy. Near steady temperature in the lower 40s.
Saturday Night
Partly cloudy. Lows in the lower 30s.
Sunday
Mostly cloudy. Highs in the lower 40s.
Sunday Night
Cloudy with a 50 percent chance of rain. Windy. Near steady temperature in the upper 30s.
Monday
Rain, windy with highs in the lower 50s. Chance of rain 90 percent.
Monday Night
Rain, windy with lows in the lower 30s. Chance of rain 80 percent.
Tuesday
Mostly cloudy with a 40 percent chance of rain. Brisk, cooler. Near steady temperature in the upper 30s.
Tuesday Night And Wednesday
Partly cloudy. Cold. Lows in the mid 20s. Highs in the mid 30s.



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405 PM EDT Wed Mar 11 2026
 
 

Additional Resources

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