Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast

45°F

7°C

Humidity 97%
Wind Speed NW 12 mph
Barometer 29.77 in (1008.1 mb)
Dewpoint 44°F (7°C)
Visibility 8.00 mi
Wind Chill39°F (4°C)
Last update 21 Mar 8:53 am EDT
Extended Forecast for

2 Miles ENE Siasconset MA

  • Today

    Today: Patchy fog before noon.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 45. West wind 11 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 37. North wind 5 to 9 mph becoming light and variable.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain, mainly after 4pm.  Patchy fog after 5pm.  Otherwise, cloudy, with a high near 47. Breezy, with a south wind 14 to 20 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Cloudy and
    Breezy then
    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain, mainly after 10pm.  Patchy fog before 9pm. Low around 35. Southwest wind around 10 mph becoming north after midnight.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Monday

    Monday: Rain likely, mainly before 9am.  Mostly cloudy, with a high near 41. North wind 14 to 17 mph.  Chance of precipitation is 60%.

    High: 41 °F

    Rain Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. North wind around 14 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 38. North wind 7 to 13 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Southwest wind 8 to 14 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. Southwest wind around 16 mph.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 45. West wind 11 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Tonight
Increasing clouds, with a low around 37. North wind 5 to 9 mph becoming light and variable.
Sunday
A chance of rain, mainly after 4pm. Patchy fog after 5pm. Otherwise, cloudy, with a high near 47. Breezy, with a south wind 14 to 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly after 10pm. Patchy fog before 9pm. Low around 35. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 41. North wind 14 to 17 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 32. North wind around 14 mph.
Tuesday
Sunny, with a high near 38. North wind 7 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Southwest wind 8 to 14 mph.
Wednesday
Partly sunny, with a high near 43. Southwest wind around 16 mph.
Wednesday Night
Mostly cloudy, with a low around 35. West wind around 14 mph becoming northwest after midnight.
Thursday
Partly sunny, with a high near 44. South wind around 13 mph.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Southwest wind 13 to 17 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 45. West wind 14 to 17 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
7:26 am EDT Mar 21, 2026
9am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
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