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

2 Miles ENE Siasconset MA

  • Overnight

    Overnight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 45. Southwest wind around 16 mph, with gusts as high as 26 mph.

    Low: 45 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 50. West wind 9 to 15 mph becoming northeast in the afternoon.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between 1am and 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 39. Southeast wind 11 to 13 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly after 3pm. Patchy fog. High near 52. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 34 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 39. Southwest wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 39 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 46. West wind 13 to 15 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. West wind 7 to 11 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 10am. Partly sunny, with a high near 46. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. North wind 9 to 13 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 45. Southwest wind around 16 mph, with gusts as high as 26 mph.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 50. West wind 9 to 15 mph becoming northeast in the afternoon.
Saturday Night
A slight chance of showers between 1am and 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 39. Southeast wind 11 to 13 mph. Chance of precipitation is 20%.
Sunday
Showers, mainly after 3pm. Patchy fog. High near 52. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 34 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 39. Southwest wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%.
Monday
Sunny, with a high near 46. West wind 13 to 15 mph.
Monday Night
Partly cloudy, with a low around 38. West wind 7 to 11 mph.
Tuesday
A chance of showers after 10am. Partly sunny, with a high near 46. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 32. North wind 9 to 13 mph.
Wednesday
Sunny, with a high near 39. North wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 35. South wind around 7 mph.
Thursday
Sunny, with a high near 47. South wind 8 to 11 mph.
Thursday Night
Partly cloudy, with a low around 42. South wind around 9 mph.
Friday
Mostly sunny, with a high near 49. Southwest wind 9 to 11 mph becoming northeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 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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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation