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.

33°F

1°C

Humidity 58%
Wind Speed NW 18 G 33 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 13 Mar 2:53 am EDT
Extended Forecast for

3 Miles NNE Siasconset MA

  • Overnight

    Overnight: Partly cloudy, with a low around 32. Breezy, with a northwest wind around 21 mph, with gusts as high as 34 mph.

    Low: 32 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Increasing clouds, with a high near 44. Northwest wind 11 to 15 mph becoming southwest in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of rain, mainly between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 38. Breezy, with a south wind 14 to 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 44. Windy, with a west wind 28 to 32 mph.

    High: 44 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Breezy, with a northwest wind 15 to 23 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. North wind around 8 mph becoming east in the afternoon.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Breezy, with a southeast wind 14 to 22 mph.

    Low: 39 °F

    Mostly Cloudy
    then Cloudy
    and Breezy

  • Monday

    Monday: Rain, mainly after 8am. High near 52. Windy, with a south wind 29 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 90%.

    High: 52 °F

    Rain and
    Windy

  • Monday Night

    Monday Night: Rain. Low around 41. Windy, with a south wind 33 to 38 mph, with gusts as high as 49 mph. Chance of precipitation is 90%.

    Low: 41 °F

    Rain and
    Windy

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. Breezy, with a northwest wind around 21 mph, with gusts as high as 34 mph.
Friday
Increasing clouds, with a high near 44. Northwest wind 11 to 15 mph becoming southwest in the afternoon.
Friday Night
A chance of rain, mainly between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 38. Breezy, with a south wind 14 to 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 44. Windy, with a west wind 28 to 32 mph.
Saturday Night
Mostly clear, with a low around 34. Breezy, with a northwest wind 15 to 23 mph.
Sunday
Partly sunny, with a high near 42. North wind around 8 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 39. Breezy, with a southeast wind 14 to 22 mph.
Monday
Rain, mainly after 8am. High near 52. Windy, with a south wind 29 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 90%.
Monday Night
Rain. Low around 41. Windy, with a south wind 33 to 38 mph, with gusts as high as 49 mph. Chance of precipitation is 90%.
Tuesday
A chance of rain before 2pm. Mostly cloudy, with a high near 46. Windy, with a southwest wind 28 to 30 mph. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 29. Windy, with a west wind 24 to 30 mph.
Wednesday
Sunny, with a high near 35. Northwest wind 9 to 18 mph.
Wednesday Night
Partly cloudy, with a low around 32. Southwest wind 7 to 9 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 39. Southeast wind around 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
Last Update:
2:53 am EDT Mar 13, 2026
Forecast Valid:
3am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
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Additional Resources

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