Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast and Breezy

38°F

3°C

Humidity 76%
Wind Speed W 21 G 28 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 19 Jan 11:53 am EST
Extended Forecast for

Nantucket MA

  • M.L.King Day

    M.L.King Day: A slight chance of showers before 1pm.  Partly sunny, with a high near 37. West wind 16 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Breezy, with a west wind 22 to 24 mph, with gusts as high as 40 mph.

    Low: 24 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Breezy, with a west wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 28 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15. West wind 9 to 17 mph.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon.

    High: 38 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 11pm.  Mostly cloudy, with a low around 32. Breezy, with a southwest wind 18 to 21 mph.  Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 42. Southwest wind 13 to 17 mph.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind around 15 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33. West wind around 15 mph.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
A slight chance of showers before 1pm. Partly sunny, with a high near 37. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 24. Breezy, with a west wind 22 to 24 mph, with gusts as high as 40 mph.
Tuesday
Mostly sunny, with a high near 28. Breezy, with a west wind 14 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly clear, with a low around 15. West wind 9 to 17 mph.
Wednesday
Partly sunny, with a high near 38. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon.
Wednesday Night
A slight chance of showers after 11pm. Mostly cloudy, with a low around 32. Breezy, with a southwest wind 18 to 21 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 42. Southwest wind 13 to 17 mph.
Thursday Night
Partly cloudy, with a low around 26. West wind around 15 mph.
Friday
Mostly sunny, with a high near 33. West wind around 15 mph.
Friday Night
Mostly cloudy, with a low around 14. West wind around 15 mph.
Saturday
A chance of snow. Partly sunny, with a high near 23. Northwest wind around 16 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. Northwest wind around 15 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 21. Northwest wind 13 to 15 mph. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
3:04 am EST Jan 19, 2026
12pm EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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