Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast

41°F

5°C

Humidity 100%
Wind Speed S 13 mph
Barometer 30.22 in (1023.2 mb)
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Wind Chill34°F (1°C)
Last update 7 Mar 10:53 am EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • Today

    Today: Patchy fog.  Otherwise, mostly cloudy, with a high near 45. Southwest wind 10 to 14 mph.

    High: 45 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of rain after 8pm.  Patchy fog.  Otherwise, cloudy, with a low around 42. Breezy, with a southwest wind 16 to 22 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain likely, mainly before 11am.  Patchy dense fog.  Otherwise, cloudy, with a high near 49. Breezy, with a southwest wind 14 to 22 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain Likely
    and Patchy
    Dense Fog

  • Sunday Night

    Sunday Night: Patchy fog before 8pm.  Otherwise, cloudy during the early evening, then gradual clearing, with a low around 37. West wind around 9 mph.

    Low: 37 °F

    Patchy Fog
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 44. Southwest wind 7 to 13 mph.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Southwest wind 10 to 13 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44. Southwest wind around 9 mph.

    High: 44 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 40. South wind 8 to 10 mph.

    Low: 40 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 47. South wind 13 to 17 mph.

    High: 47 °F

    Cloudy

Detailed Forecast

Today
Patchy fog. Otherwise, mostly cloudy, with a high near 45. Southwest wind 10 to 14 mph.
Tonight
A chance of rain after 8pm. Patchy fog. Otherwise, cloudy, with a low around 42. Breezy, with a southwest wind 16 to 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly before 11am. Patchy dense fog. Otherwise, cloudy, with a high near 49. Breezy, with a southwest wind 14 to 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Patchy fog before 8pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 37. West wind around 9 mph.
Monday
Sunny, with a high near 44. Southwest wind 7 to 13 mph.
Monday Night
Partly cloudy, with a low around 40. Southwest wind 10 to 13 mph.
Tuesday
Mostly cloudy, with a high near 44. Southwest wind around 9 mph.
Tuesday Night
Cloudy, with a low around 40. South wind 8 to 10 mph.
Wednesday
Cloudy, with a high near 47. South wind 13 to 17 mph.
Wednesday Night
A chance of rain. Cloudy, with a low around 41. Windy, with a south wind 21 to 29 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Cloudy, with a high near 46. Windy, with a southwest wind 24 to 29 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 31. Windy, with a west wind 23 to 29 mph.
Friday
Partly sunny, with a high near 39. Breezy, with a west wind 16 to 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
7:57 am EST Mar 7, 2026
11am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
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