National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

75°F

24°C

Humidity 82%
Wind Speed NW 12 mph
Barometer 29.70 in (1005.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 13 Jun 3:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 82. Northwest wind 7 to 10 mph.

    High: 82 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. West wind 6 to 9 mph.

    Low: 64 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Southwest wind 5 to 13 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 64. South wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly sunny, with a high near 78. West wind 10 to 13 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. West wind 9 to 11 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Northwest wind 7 to 10 mph becoming southwest in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind 6 to 9 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 82. Northwest wind 7 to 10 mph.
Tonight
Clear, with a low around 64. West wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 80. Southwest wind 5 to 13 mph.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 64. South wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, mainly before 8am. Mostly sunny, with a high near 78. West wind 10 to 13 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 63. West wind 9 to 11 mph.
Tuesday
Mostly sunny, with a high near 74. Northwest wind 7 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 77. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 63. South wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 77. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65. Breezy, with a south wind around 21 mph. Chance of precipitation is 50%.
Juneteenth
Mostly sunny, with a high near 78. Breezy, with a west wind 17 to 21 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
12:41 am EDT Jun 13, 2026
Forecast Valid:
4am EDT Jun 13, 2026-6pm EDT Jun 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation