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

41°F

5°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 41°F (5°C)
Visibility 1.00 mi
Wind Chill36°F (2°C)
Last update 10 Mar 8:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 37. Southwest wind around 7 mph.

    Low: 37 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 47. South wind 5 to 9 mph.

    High: 47 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Patchy fog after 7pm. Otherwise, cloudy, with a low around 42. South wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 48. Southwest wind 15 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 8pm. Partly cloudy, with a low around 31. Northwest wind 11 to 15 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 43. West wind 9 to 11 mph becoming southwest in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 36. Breezy, with a south wind 15 to 21 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 43. Breezy, with a west wind 20 to 22 mph.

    High: 43 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. West wind 9 to 13 mph.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 37. Southwest wind around 7 mph.
Wednesday
Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 47. South wind 5 to 9 mph.
Wednesday Night
A slight chance of rain. Patchy fog after 7pm. Otherwise, cloudy, with a low around 42. South wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday
Rain likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 48. Southwest wind 15 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain, mainly before 8pm. Partly cloudy, with a low around 31. Northwest wind 11 to 15 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 43. West wind 9 to 11 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 36. Breezy, with a south wind 15 to 21 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 43. Breezy, with a west wind 20 to 22 mph.
Saturday Night
Partly cloudy, with a low around 33. West wind 9 to 13 mph.
Sunday
Mostly cloudy, with a high near 46. North wind 8 to 11 mph becoming southeast in the afternoon.
Sunday Night
Rain likely. Cloudy, with a low around 39. Breezy, with a southeast wind 16 to 23 mph. Chance of precipitation is 60%.
Monday
Rain. High near 50. Breezy, with a south wind 23 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Monday Night
Rain likely. Mostly cloudy, with a low around 30. Breezy, with a southwest wind 18 to 22 mph becoming west after midnight. Chance of precipitation is 60%.
Tuesday
A chance of rain. Mostly sunny, with a high near 36. West wind 14 to 16 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 MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
4:02 pm EDT Mar 10, 2026
Forecast Valid:
9pm EDT Mar 10, 2026-6pm EDT Mar 17, 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