Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Overcast
68°F
20°C
| Humidity | 96% |
| Wind Speed | N 13 mph |
| Barometer | 29.99 in (1015.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 7.00 mi |
| Last update | 22 Aug 5:53 am EDT |
Extended Forecast for
Nantucket MA
Today
High: 73 °F
Patchy Fog
then Slight
Chance
Showers and
Patchy FogTonight
Low: 64 °F
Showers
Likely and
Patchy FogSunday

High: 77 °F
Chance
Showers and
Patchy FogSunday Night

Low: 67 °F
Chance
ShowersMonday

High: 77 °F
Sunny
Monday Night

Low: 65 °F
Mostly Clear
Tuesday

High: 76 °F
Sunny
Tuesday Night

Low: 65 °F
Mostly Clear
Wednesday

High: 76 °F
Sunny
Detailed Forecast
Today
A slight chance of showers after 3pm. Patchy fog before 4pm, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 73. Northeast wind 7 to 14 mph. Chance of precipitation is 20%.
Tonight
Showers likely, with thunderstorms also possible after 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Light and variable wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 77. South wind 7 to 11 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 67. Southwest wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 77. Southwest wind 7 to 13 mph.
Monday Night
Mostly clear, with a low around 65. West wind around 9 mph.
Tuesday
Sunny, with a high near 76. Southwest wind 9 to 15 mph.
Tuesday Night
Mostly clear, with a low around 65. Southwest wind 9 to 14 mph.
Wednesday
Sunny, with a high near 76. Southwest wind 7 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 67. Southwest wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 77. South wind 6 to 10 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 67. South wind 6 to 8 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 77. South wind 9 to 11 mph. Chance of precipitation is 40%.
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)
4:54 am EDT Aug 22, 2026
6am EDT Aug 22, 2026-6pm EDT Aug 28, 2026


