Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

60°F

16°C

Humidity 86%
Wind Speed W 7 mph
Barometer 29.78 in (1008.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 2:53 am EDT
Extended Forecast for

5 Miles W Nantucket MA

  • Overnight

    Overnight: Clear, with a low around 65. West wind around 9 mph.

    Low: 65 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69. West wind around 11 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. West wind 7 to 13 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, mainly after 5pm.  Partly sunny, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the morning.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm.  Low around 66. Breezy, with a south wind 16 to 21 mph.  Chance of precipitation is 90%.

    Low: 66 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers.  High near 71. South wind 14 to 18 mph becoming northwest in the afternoon.  Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 10pm.  Mostly cloudy, with a low around 65. Northwest wind 6 to 9 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72. Northwest wind 7 to 9 mph becoming southwest in the afternoon.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Southwest wind around 8 mph.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 65. West wind around 9 mph.
Sunday
Sunny, with a high near 69. West wind around 11 mph.
Sunday Night
Mostly clear, with a low around 65. West wind 7 to 13 mph.
Monday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 66. Breezy, with a south wind 16 to 21 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 71. South wind 14 to 18 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Tuesday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 65. Northwest wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 72. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 66. Southwest wind around 8 mph.
Thursday
Sunny, with a high near 70. South wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 66. South wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 70. South wind 10 to 13 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 67. South wind 9 to 11 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 73. Southwest wind 8 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.27°N 70.21°W (Elev. 0 ft)
2:29 am EDT Jun 21, 2026
3am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database