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

67°F

19°C

Humidity 84%
Wind Speed SE 13 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 13 Jul 5:53 pm EDT
Extended Forecast for

5 Miles W Nantucket MA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66. Southeast wind 5 to 9 mph becoming light.

    Low: 66 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, with a high near 77. East wind 6 to 8 mph becoming south in the afternoon.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Southwest wind around 8 mph.

    Low: 70 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of showers between 9am and noon. Mostly cloudy, with a high near 78. Southwest wind around 11 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 70. Southwest wind 8 to 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80. Southwest wind 9 to 11 mph.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 71. Southwest wind around 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 81. Southwest wind 11 to 15 mph.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 72. Southwest wind around 14 mph.

    Low: 72 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66. Southeast wind 5 to 9 mph becoming light.
Monday
Partly sunny, with a high near 77. East wind 6 to 8 mph becoming south in the afternoon.
Monday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Southwest wind around 8 mph.
Tuesday
A slight chance of showers between 9am and noon. Mostly cloudy, with a high near 78. Southwest wind around 11 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 70. Southwest wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 80. Southwest wind 9 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 71. Southwest wind around 10 mph.
Thursday
Partly sunny, with a high near 81. Southwest wind 11 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 72. Southwest wind around 14 mph.
Friday
Mostly sunny, with a high near 81. Southwest wind 13 to 15 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 70. Southwest wind around 11 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 80. North wind around 11 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 69. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 78. North wind around 10 mph becoming southeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.29°N 70.2°W (Elev. 0 ft)
Last Update:
6:05 pm EDT Jul 13, 2025
Forecast Valid:
6pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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