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.

Fog/Mist

45°F

7°C

Humidity 93%
Wind Speed S 18 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill37°F (3°C)
Last update 21 Mar 12:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: Rain. Patchy fog. Low around 38. Southwest wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain and
    Patchy Fog

  • Saturday

    Saturday: A chance of rain before 8am. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. West wind 13 to 15 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain
    and Patchy
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 36. North wind around 6 mph becoming southeast after midnight.

    Low: 36 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 46. South wind 10 to 17 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 36. Southwest wind around 11 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 3pm. Mostly cloudy, with a high near 43. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 50%.

    High: 43 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. North wind around 15 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. North wind 9 to 14 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southwest wind 8 to 11 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Patchy fog. Low around 38. Southwest wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain before 8am. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. West wind 13 to 15 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Increasing clouds, with a low around 36. North wind around 6 mph becoming southeast after midnight.
Sunday
A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 46. South wind 10 to 17 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 36. Southwest wind around 11 mph becoming northwest after midnight. Chance of precipitation is 60%.
Monday
A chance of rain, mainly before 3pm. Mostly cloudy, with a high near 43. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 30. North wind around 15 mph.
Tuesday
Mostly sunny, with a high near 39. North wind 9 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind 8 to 11 mph.
Wednesday
A chance of rain after 9am. Mostly cloudy, with a high near 43. Southwest wind 14 to 17 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 31. Northwest wind around 14 mph.
Thursday
Mostly sunny, with a high near 43. Northwest wind around 13 mph becoming southwest in the afternoon.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 34. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 46. West wind around 18 mph. Chance of precipitation is 50%.
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:
1:08 pm EDT Mar 20, 2026
Forecast Valid:
1am EDT Mar 21, 2026-6pm EDT Mar 27, 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