Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Rain Fog/Mist and Windy

53°F

12°C

Humidity 100%
Wind Speed S 30 G 41 mph
Barometer 29.63 in (1003.4 mb)
Dewpoint 53°F (12°C)
Visibility 1.50 mi
Wind Chill46°F (8°C)
Last update 16 Mar 9:53 pm EDT
Extended Forecast for

3 Miles NNE Siasconset MA

High Wind Warning until March 17, 06:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until March 17, 06:00am

    NOW until 6:00am Tue

    High Wind Warning

  • Tonight

    Low: 36 °F

    Rain and
    Patchy Dense
    Fog

  • Tuesday

    Tuesday: A chance of rain, mainly before 8am.  Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 42. Windy, with a west wind 24 to 26 mph, with gusts as high as 38 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance Rain
    and Patchy
    Fog then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Breezy, with a northwest wind 18 to 24 mph.

    Low: 28 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Northwest wind 6 to 15 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Southeast wind 6 to 8 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Southwest wind around 8 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42. Southwest wind around 11 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Tonight
Rain and thunderstorms likely before 4am, then rain and possibly a thunderstorm between 4am and 5am, then rain likely after 5am. Patchy dense fog. Low around 36. Windy, with a south wind 34 to 37 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of rain, mainly before 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 42. Windy, with a west wind 24 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 28. Breezy, with a northwest wind 18 to 24 mph.
Wednesday
Mostly sunny, with a high near 34. Northwest wind 6 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 39. Southeast wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 36. Southwest wind around 8 mph.
Friday
Mostly sunny, with a high near 42. Southwest wind around 11 mph.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 37. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 42. West wind 14 to 16 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 34. Northwest wind 16 to 18 mph becoming southeast after midnight. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 41. West wind around 17 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 34. West wind 16 to 18 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 40. Northwest wind around 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
2:55 pm EDT Mar 16, 2026
10pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
 
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