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

48°F

9°C

Humidity 96%
Wind Speed W 17 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 47°F (8°C)
Visibility 8.00 mi
Wind Chill42°F (6°C)
Last update 4 Apr 12:53 am EDT
Extended Forecast for

3 Miles NNE Siasconset MA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 45. Breezy, with a southwest wind 20 to 22 mph.

    Low: 45 °F

    Patchy Fog
    and Breezy

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 48. West wind 10 to 17 mph becoming northeast in the afternoon.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between midnight and 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 41. Southeast wind around 15 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly after 3pm. Patchy fog. High near 52. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers, mainly before 10pm. Patchy fog before 9pm. Low around 41. Breezy, with a southwest wind 11 to 21 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 41 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 46. West wind around 17 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. West wind 8 to 15 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 10am. Partly sunny, with a high near 45. Southwest wind 7 to 13 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. North wind 10 to 17 mph.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 45. Breezy, with a southwest wind 20 to 22 mph.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 48. West wind 10 to 17 mph becoming northeast in the afternoon.
Saturday Night
A slight chance of showers between midnight and 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 41. Southeast wind around 15 mph. Chance of precipitation is 20%.
Sunday
Showers, mainly after 3pm. Patchy fog. High near 52. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers, mainly before 10pm. Patchy fog before 9pm. Low around 41. Breezy, with a southwest wind 11 to 21 mph becoming northwest after midnight. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 46. West wind around 17 mph.
Monday Night
Partly cloudy, with a low around 40. West wind 8 to 15 mph.
Tuesday
A chance of showers after 10am. Partly sunny, with a high near 45. Southwest wind 7 to 13 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 34. North wind 10 to 17 mph.
Wednesday
Sunny, with a high near 39. North wind 7 to 14 mph.
Wednesday Night
Mostly clear, with a low around 36. South wind 6 to 8 mph.
Thursday
Sunny, with a high near 47. South wind 8 to 11 mph.
Thursday Night
Partly cloudy, with a low around 43. South wind around 11 mph.
Friday
Mostly sunny, with a high near 49. Southwest wind 10 to 13 mph becoming northeast in the afternoon.
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Forecast Area
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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:
1:05 am EDT Apr 4, 2026
Forecast Valid:
1am EDT Apr 4, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation