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

47°F

8°C

Humidity 74%
Wind Speed S 18 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 20 Mar 2:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Rain, mainly after 11pm. Patchy fog after 11pm. Low around 40. South wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A chance of rain before 8am. Patchy fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 46. West wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    and Patchy
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 37. North wind around 6 mph becoming southeast after midnight.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 48. South wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 37. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 3pm. Mostly cloudy, with a high near 43. North wind 13 to 16 mph. Chance of precipitation is 50%.

    High: 43 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. North wind around 13 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. North wind 8 to 11 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. Southwest wind 7 to 10 mph.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 11pm. Patchy fog after 11pm. Low around 40. South wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain before 8am. Patchy fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 46. West wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Increasing clouds, with a low around 37. North wind around 6 mph becoming southeast after midnight.
Sunday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 48. South wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 37. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 60%.
Monday
A chance of rain, mainly before 3pm. Mostly cloudy, with a high near 43. North wind 13 to 16 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 31. North wind around 13 mph.
Tuesday
Mostly sunny, with a high near 40. North wind 8 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 33. Southwest wind 7 to 10 mph.
Wednesday
A chance of rain after 9am. Mostly cloudy, with a high near 44. Southwest wind 11 to 15 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 33. Northwest wind around 11 mph.
Thursday
Mostly sunny, with a high near 46. Northwest wind around 11 mph becoming southwest in the afternoon.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 48. West wind around 15 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
1:08 pm EDT Mar 20, 2026
Forecast Valid:
3pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation