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.

Overcast

35°F

2°C

Humidity 70%
Wind Speed S 15 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 25 Feb 8:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Rain and snow before 2pm, then a slight chance of rain between 2pm and 4pm. High near 39. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    then Rain and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A slight chance of rain and snow between 11am and 4pm, then a slight chance of snow after 4pm. Partly sunny, with a high near 39. West wind around 11 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 26. Northwest wind around 8 mph. Chance of precipitation is 30%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 36. North wind around 7 mph becoming west in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. South wind 5 to 7 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42. South wind 7 to 10 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Southwest wind 6 to 9 mph becoming northwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37. Northwest wind 10 to 14 mph.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow before 2pm, then a slight chance of rain between 2pm and 4pm. High near 39. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Thursday
A slight chance of rain and snow between 11am and 4pm, then a slight chance of snow after 4pm. Partly sunny, with a high near 39. West wind around 11 mph. Chance of precipitation is 20%.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 26. Northwest wind around 8 mph. Chance of precipitation is 30%. New snow accumulation of around an inch possible.
Friday
Mostly sunny, with a high near 36. North wind around 7 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 30. South wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 42. South wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 30. Southwest wind 6 to 9 mph becoming northwest after midnight.
Sunday
Mostly sunny, with a high near 37. Northwest wind 10 to 14 mph.
Sunday Night
Partly cloudy, with a low around 20. North wind 13 to 15 mph.
Monday
A chance of snow. Mostly cloudy, with a high near 29. Northeast wind 13 to 15 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22. Northeast wind 11 to 13 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow. Partly sunny, with a high near 36. Northeast wind 11 to 14 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
7:54 am EST Feb 25, 2026
Forecast Valid:
9am EST Feb 25, 2026-6pm EST Mar 3, 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