Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast

34°F

1°C

Humidity 56%
Wind Speed W 20 G 31 mph
Barometer NA
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 20 Jan 1:53 am EST
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. West wind around 18 mph, with gusts as high as 28 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. West wind 14 to 17 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. West wind 10 to 15 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. Southwest wind 8 to 14 mph.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 3am.  Mostly cloudy, with a low around 33. Southwest wind around 15 mph.  Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 1pm.  Mostly sunny, with a high near 43. Southwest wind 13 to 15 mph.  Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. West wind 11 to 13 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36. West wind 13 to 16 mph.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13. West wind around 17 mph.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. West wind around 18 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 28. West wind 14 to 17 mph.
Tuesday Night
Mostly clear, with a low around 20. West wind 10 to 15 mph.
Wednesday
Partly sunny, with a high near 41. Southwest wind 8 to 14 mph.
Wednesday Night
A slight chance of rain after 3am. Mostly cloudy, with a low around 33. Southwest wind around 15 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain before 1pm. Mostly sunny, with a high near 43. Southwest wind 13 to 15 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 29. West wind 11 to 13 mph.
Friday
Partly sunny, with a high near 36. West wind 13 to 16 mph.
Friday Night
Mostly cloudy, with a low around 13. West wind around 17 mph.
Saturday
Mostly sunny, with a high near 21. Northwest wind 13 to 15 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14. North wind around 13 mph. Chance of precipitation is 40%.
Sunday
Snow likely. Mostly cloudy, with a high near 25. North wind around 14 mph. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17. North wind around 14 mph. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 26. Northwest wind around 15 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
12:45 am EST Jan 20, 2026
2am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database