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

54°F

12°C

Humidity 100%
Wind Speed SE 17 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 54°F (12°C)
Visibility 1.25 mi
Wind Chill49°F (9°C)
Last update 25 May 12:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: Showers likely, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 55. Southeast wind 14 to 16 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely and
    Patchy Fog

  • Memorial Day

    Memorial Day: Showers, mainly before 5pm. Patchy fog before 11am. High near 67. South wind 11 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Patchy fog before 7pm, then patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. West wind 5 to 10 mph.

    Low: 57 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Southwest wind 8 to 11 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Partly sunny, with a high near 71. Southwest wind 11 to 16 mph. Chance of precipitation is 20%.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. West wind 9 to 11 mph becoming north after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Northeast wind 10 to 14 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. North wind around 7 mph.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 55. Southeast wind 14 to 16 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Memorial Day
Showers, mainly before 5pm. Patchy fog before 11am. High near 67. South wind 11 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Patchy fog before 7pm, then patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. West wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 66. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 57. Southwest wind 8 to 11 mph.
Wednesday
A slight chance of showers after 2pm. Partly sunny, with a high near 71. Southwest wind 11 to 16 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 57. West wind 9 to 11 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 65. Northeast wind 10 to 14 mph.
Thursday Night
Partly cloudy, with a low around 53. North wind around 7 mph.
Friday
Partly sunny, with a high near 63. Northwest wind 9 to 11 mph becoming southwest in the afternoon.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. West wind around 10 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly sunny, with a high near 65. West wind 11 to 16 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 53. West wind around 11 mph becoming northwest after midnight.
Sunday
Partly sunny, with a high near 62. North wind 11 to 14 mph becoming east in the afternoon.
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:
3:06 pm EDT May 24, 2026
Forecast Valid:
1am EDT May 25, 2026-6pm EDT May 31, 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