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.

Fair

42°F

6°C

Humidity 92%
Wind Speed S 9 mph
Barometer 29.69 in (1005.5 mb)
Dewpoint 40°F (4°C)
Visibility 8.00 mi
Wind Chill37°F (3°C)
Last update 14 Jan 3:53 pm EST
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Rain, mainly between 11pm and 4am. Patchy fog after 11pm. Low around 39. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: A chance of rain, mainly before 7am. Mostly cloudy, with a high near 45. Southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. West wind 14 to 18 mph, with gusts as high as 36 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. Breezy, with a west wind 16 to 21 mph, with gusts as high as 38 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Southwest wind 9 to 14 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after noon. Mostly cloudy, with a high near 43. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 4am. Mostly cloudy, with a low around 34. Southwest wind around 9 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain after 11am. Mostly cloudy, with a high near 39. West wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 39 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 25. West wind around 14 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Rain, mainly between 11pm and 4am. Patchy fog after 11pm. Low around 39. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain, mainly before 7am. Mostly cloudy, with a high near 45. Southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 23. West wind 14 to 18 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 38. Breezy, with a west wind 16 to 21 mph, with gusts as high as 38 mph.
Friday Night
Mostly cloudy, with a low around 31. Southwest wind 9 to 14 mph, with gusts as high as 30 mph.
Saturday
A chance of rain, mainly after noon. Mostly cloudy, with a high near 43. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain before 4am. Mostly cloudy, with a low around 34. Southwest wind around 9 mph. Chance of precipitation is 30%.
Sunday
A chance of rain after 11am. Mostly cloudy, with a high near 39. West wind 8 to 13 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 25. West wind around 14 mph. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 34. West wind 13 to 16 mph.
Monday Night
Mostly cloudy, with a low around 22. West wind around 15 mph.
Tuesday
A chance of snow. Partly sunny, with a high near 30. West wind 14 to 17 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 19. West wind 15 to 17 mph.
Wednesday
Mostly sunny, with a high near 31. West wind 14 to 16 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
1:13 pm EST Jan 14, 2026
Forecast Valid:
4pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation