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

51°F

11°C

Humidity 80%
Wind Speed S 17 G 28 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 11 Mar 4:53 pm EDT
Extended Forecast for

5 Miles W Nantucket MA

  • Tonight

    Tonight: A slight chance of showers after 1am. Patchy dense fog. Otherwise, cloudy, with a low around 41. Breezy, with a south wind 15 to 23 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers and
    Patchy Dense
    Fog

  • Thursday

    Thursday: A chance of showers, mainly after 9am. Patchy fog before 1pm. Otherwise, cloudy, with a high near 48. Breezy, with a southwest wind 16 to 22 mph becoming northwest in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a northwest wind 17 to 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Blustery.
    Chance
    Rain/Snow
    then
    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 44. Northwest wind 9 to 14 mph becoming southwest in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Breezy, with a south wind 17 to 22 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 44. Breezy, with a west wind 21 to 23 mph.

    High: 44 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Breezy, with a northwest wind 16 to 22 mph.

    Low: 32 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. North wind around 9 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Cloudy, with a low around 37. Windy, with a southeast wind 18 to 23 mph increasing to 25 to 30 mph after midnight. Chance of precipitation is 40%.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Rain and
    Windy

Detailed Forecast

Tonight
A slight chance of showers after 1am. Patchy dense fog. Otherwise, cloudy, with a low around 41. Breezy, with a south wind 15 to 23 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly after 9am. Patchy fog before 1pm. Otherwise, cloudy, with a high near 48. Breezy, with a southwest wind 16 to 22 mph becoming northwest in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a northwest wind 17 to 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 44. Northwest wind 9 to 14 mph becoming southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 37. Breezy, with a south wind 17 to 22 mph.
Saturday
Sunny, with a high near 44. Breezy, with a west wind 21 to 23 mph.
Saturday Night
Partly cloudy, with a low around 32. Breezy, with a northwest wind 16 to 22 mph.
Sunday
Mostly cloudy, with a high near 43. North wind around 9 mph becoming southeast in the afternoon.
Sunday Night
A chance of rain after 2am. Cloudy, with a low around 37. Windy, with a southeast wind 18 to 23 mph increasing to 25 to 30 mph after midnight. Chance of precipitation is 40%.
Monday
Rain, mainly after 7am. High near 51. Windy, with a south wind around 33 mph, with gusts as high as 45 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Cloudy, with a low around 33. Windy, with a south wind 29 to 36 mph becoming west after midnight. Chance of precipitation is 70%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 40. Breezy, with a west wind 21 to 25 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 27. Breezy, with a northwest wind 21 to 24 mph.
Wednesday
Mostly sunny, with a high near 35. West wind 10 to 14 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.29°N 70.2°W (Elev. 0 ft)
Last Update:
4:43 pm EDT Mar 11, 2026
Forecast Valid:
5pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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