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.

Shallow Fog

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in (1016.5 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Last update 9 Mar 6:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 50. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 50 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 37. Southwest wind around 7 mph.

    Low: 37 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 51. Southwest wind 7 to 10 mph.

    High: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 38. Southwest wind around 7 mph.

    Low: 38 °F

    Patchy Fog
    then Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 49. South wind 7 to 11 mph.

    High: 49 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 45. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Cloudy then
    Slight Chance
    Rain

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 49. Southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 16 to 20 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Chance
    Rain/Snow and
    Blustery

  • Friday

    Friday: Mostly sunny, with a high near 42. West wind 11 to 13 mph becoming southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 50. Light southwest wind increasing to 5 to 9 mph in the morning.
Tonight
Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 37. Southwest wind around 7 mph.
Tuesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 51. Southwest wind 7 to 10 mph.
Tuesday Night
Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 38. Southwest wind around 7 mph.
Wednesday
Cloudy, with a high near 49. South wind 7 to 11 mph.
Wednesday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 45. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 49. Southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 16 to 20 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 42. West wind 11 to 13 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 34. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly sunny, with a high near 42. Breezy, with a west wind 18 to 20 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 32. Northwest wind 10 to 13 mph.
Sunday
Partly sunny, with a high near 45. Northwest wind 9 to 14 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
2:49 am EDT Mar 9, 2026
Forecast Valid:
6am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation