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.

Overcast

58°F

14°C

Humidity 90%
Wind Speed NE 18 mph
Barometer 29.72 in (1006.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 11:53 am EDT
Extended Forecast for

2 Miles NE Siasconset MA

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 62. North wind 14 to 16 mph.

    High: 62 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Northeast wind 3 to 8 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, with a high near 65. Southeast wind 10 to 13 mph.

    High: 65 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 60. Southwest wind 13 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. West wind 14 to 16 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 56. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 60. North wind 11 to 14 mph.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 5am. Partly cloudy, with a low around 54. Northeast wind around 6 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 66. Southeast wind 11 to 18 mph. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 62. North wind 14 to 16 mph.
Tonight
Increasing clouds, with a low around 57. Northeast wind 3 to 8 mph.
Tuesday
Cloudy, with a high near 65. Southeast wind 10 to 13 mph.
Tuesday Night
A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 60. Southwest wind 13 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly sunny, with a high near 66. West wind 14 to 16 mph.
Wednesday Night
A chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 56. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 60. North wind 11 to 14 mph.
Thursday Night
A chance of showers after 5am. Partly cloudy, with a low around 54. Northeast wind around 6 mph becoming east after midnight. Chance of precipitation is 30%.
Friday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 66. Southeast wind 11 to 18 mph. Chance of precipitation is 70%.
Friday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 50. Breezy, with a west wind 21 to 25 mph. Chance of precipitation is 70%.
Saturday
A chance of showers. Partly sunny, with a high near 56. Windy, with a northwest wind 22 to 28 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 45. Breezy, with a northwest wind 22 to 25 mph.
Sunday
Sunny, with a high near 56. Breezy, with a northwest wind 14 to 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Siasconset MA
 41.31°N 69.99°W (Elev. 49 ft)
Last Update:
9:31 am EDT Oct 12, 2026
Forecast Valid:
12pm EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation