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.

53°F

12°C

Humidity 69%
Wind Speed SW 12 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 9 Mar 1:53 pm EDT
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 50. Southwest wind around 8 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog before 8pm, then patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 37. South wind around 7 mph.

    Low: 37 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 5pm. Otherwise, mostly cloudy, with a high near 50. Southwest wind 7 to 10 mph.

    High: 50 °F

    Patchy Fog

  • Tuesday Night

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

    Low: 38 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 50. South wind 6 to 13 mph.

    High: 50 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain and thunderstorms between 2am and 5am, then a chance of rain after 5am. Mostly cloudy, with a low around 41. South wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain after 2pm. Mostly cloudy, with a high near 49. Southwest wind 14 to 16 mph. Chance of precipitation is 40%.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 11pm, then a chance of snow between 11pm and midnight. Mostly cloudy, with a low around 30. Northwest wind around 14 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 41. Northwest wind 9 to 11 mph becoming southwest in the afternoon.

    High: 41 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 50. Southwest wind around 8 mph.
Tonight
Patchy fog before 8pm, then patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 37. South wind around 7 mph.
Tuesday
Patchy fog before 5pm. Otherwise, mostly cloudy, with a high near 50. Southwest wind 7 to 10 mph.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 38. Southwest wind around 7 mph.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 50. South wind 6 to 13 mph.
Wednesday Night
A slight chance of rain and thunderstorms between 2am and 5am, then a chance of rain after 5am. Mostly cloudy, with a low around 41. South wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday
A chance of rain after 2pm. Mostly cloudy, with a high near 49. Southwest wind 14 to 16 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain before 11pm, then a chance of snow between 11pm and midnight. Mostly cloudy, with a low around 30. Northwest wind around 14 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 41. Northwest wind 9 to 11 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 34. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 42. West wind around 16 mph.
Saturday Night
Partly cloudy, with a low around 32. West wind 8 to 10 mph.
Sunday
Mostly cloudy, with a high near 46. Northeast wind 8 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:
1:00 pm EDT Mar 9, 2026
Forecast Valid:
2pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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