Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Overcast
70°F
21°C
| Humidity | 97% |
| Wind Speed | E 7 mph |
| Barometer | 29.84 in (1010.4 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 23 Aug 9:53 am EDT |
Extended Forecast for
Nantucket MA
Today

High: 77 °F
Chance
Showers and
Areas FogTonight

Low: 67 °F
Slight Chance
ShowersMonday

High: 79 °F
Sunny
Monday Night
Low: 64 °F
Partly Cloudy
then Areas
FogTuesday
High: 76 °F
Areas Fog
then SunnyTuesday Night

Low: 65 °F
Mostly Clear
Wednesday

High: 76 °F
Sunny
Wednesday Night

Low: 66 °F
Mostly Clear
Thursday

High: 77 °F
Mostly Sunny
Detailed Forecast
Today
A chance of showers, mainly before noon. Areas of fog before 11am. Otherwise, cloudy, with a high near 77. Southeast wind 8 to 11 mph becoming south in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers between 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 67. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 79. Southwest wind 8 to 13 mph.
Monday Night
Areas of fog after 1am. Otherwise, partly cloudy, with a low around 64. Southwest wind around 8 mph.
Tuesday
Areas of fog before 7am. Otherwise, sunny, with a high near 76. West wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 65. West wind 8 to 11 mph.
Wednesday
Sunny, with a high near 76. Southwest wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 66. Southwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 77. South wind 5 to 11 mph.
Thursday Night
A chance of showers after midnight. Mostly cloudy, with a low around 67. South wind around 9 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 78. South wind around 11 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 67. Southwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 78. West wind 7 to 10 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Nantucket MA
41.28°N 70.09°W (Elev. 3 ft)
41.28°N 70.09°W (Elev. 3 ft)
9:17 am EDT Aug 23, 2026
9am EDT Aug 23, 2026-6pm EDT Aug 29, 2026


