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.

Light Rain Fog

43°F

6°C

Humidity 100%
Wind Speed SW 13 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 43°F (6°C)
Visibility 0.50 mi
Wind Chill36°F (2°C)
Last update 8 Mar 12:53 am EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: A slight chance of rain, then a chance of rain and thunderstorms after 1am. Patchy dense fog. Otherwise, cloudy, with a low around 42. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Sunday

    Sunday: A chance of rain before 2pm, then a slight chance of freezing rain. Patchy dense fog before 2pm. Patchy freezing fog after 2pm. Otherwise, cloudy, with a high near 46. Southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance
    Rain/Freezing
    Rain and
    Patchy
    Freezing Fog

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 35. West wind 6 to 10 mph.

    Low: 35 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 51. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Southwest wind 6 to 9 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. Southwest wind 6 to 9 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southwest wind around 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 50. South wind 7 to 13 mph.

    High: 50 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 42. South wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Cloudy

Detailed Forecast

Overnight
A slight chance of rain, then a chance of rain and thunderstorms after 1am. Patchy dense fog. Otherwise, cloudy, with a low around 42. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
A chance of rain before 2pm, then a slight chance of freezing rain. Patchy dense fog before 2pm. Patchy freezing fog after 2pm. Otherwise, cloudy, with a high near 46. Southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 35. West wind 6 to 10 mph.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 51. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 34. Southwest wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 45. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind around 6 mph.
Wednesday
Cloudy, with a high near 50. South wind 7 to 13 mph.
Wednesday Night
Cloudy, with a low around 42. South wind 14 to 18 mph, with gusts as high as 30 mph.
Thursday
A chance of rain before 11am, then snow likely. Cloudy, with a high near 60. Breezy, with a south wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 29. West wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 42. West wind around 15 mph becoming southwest in the afternoon.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 52. West wind 13 to 17 mph, with gusts as high as 28 mph.
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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:
11:33 pm EST Mar 7, 2026
Forecast Valid:
12am EST Mar 8, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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