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

65°F

18°C

Humidity 97%
Wind Speed SE 3 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 2:53 am EDT
Extended Forecast for

2 Miles WSW Nantucket MA

  • Overnight

    Overnight: Mostly clear, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Southwest wind 8 to 13 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 70. Southwest wind 7 to 9 mph.

    Low: 70 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers between 11am and 4pm. Patchy fog before noon. Otherwise, mostly sunny, with a high near 79. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 11pm. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 68. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 76. Northeast wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers after 9pm. Mostly cloudy, with a low around 66. Northeast wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Partly sunny, with a high near 76. East wind 11 to 14 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 3am. Mostly cloudy, with a low around 67. East wind 6 to 11 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 78. Southwest wind 8 to 13 mph.
Wednesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 70. Southwest wind 7 to 9 mph.
Thursday
A slight chance of showers between 11am and 4pm. Patchy fog before noon. Otherwise, mostly sunny, with a high near 79. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly after 11pm. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 68. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 76. Northeast wind 7 to 10 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers after 9pm. Mostly cloudy, with a low around 66. Northeast wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 2pm. Partly sunny, with a high near 76. East wind 11 to 14 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 3am. Mostly cloudy, with a low around 67. East wind 6 to 11 mph. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 78. East wind 7 to 10 mph becoming south in the afternoon. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 78. Southwest wind 9 to 13 mph.
Monday Night
Partly cloudy, with a low around 67. Southwest wind 8 to 11 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 8 to 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Nantucket MA
 41.26°N 70.15°W (Elev. 3 ft)
Last Update:
2:34 am EDT Aug 19, 2026
Forecast Valid:
3am EDT Aug 19, 2026-6pm EDT Aug 25, 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