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

25°F

-4°C

Humidity 75%
Wind Speed W 9 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 4 Feb 3:53 am EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • Today

    Today: Sunny, with a high near 31. West wind 9 to 18 mph.

    High: 31 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. Northwest wind 8 to 14 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 30. Northwest wind 8 to 10 mph.

    High: 30 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. Northeast wind 8 to 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. Northeast wind 6 to 9 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 26. South wind 3 to 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 8am. Cloudy, with a high near 29. Windy, with a west wind 13 to 23 mph becoming north 23 to 33 mph in the afternoon. Chance of precipitation is 70%.

    High: 29 °F

    Snow Likely
    and Windy

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 14. Very windy, with a northwest wind 38 to 43 mph. Chance of precipitation is 60%.

    Low: 14 °F

    Snow Likely
    and Very
    Windy

  • Sunday

    Sunday: Partly sunny, with a high near 20. Windy, with a northwest wind 28 to 33 mph decreasing to 21 to 26 mph in the afternoon.

    High: 20 °F

    Partly Sunny
    and Windy

Detailed Forecast

Today
Sunny, with a high near 31. West wind 9 to 18 mph.
Tonight
Increasing clouds, with a low around 25. Northwest wind 8 to 14 mph.
Thursday
Sunny, with a high near 30. Northwest wind 8 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 27. Northeast wind 8 to 10 mph.
Friday
Mostly cloudy, with a high near 31. Northeast wind 6 to 9 mph.
Friday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 26. South wind 3 to 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
Snow likely, mainly after 8am. Cloudy, with a high near 29. Windy, with a west wind 13 to 23 mph becoming north 23 to 33 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 14. Very windy, with a northwest wind 38 to 43 mph. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 20. Windy, with a northwest wind 28 to 33 mph decreasing to 21 to 26 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 15. Blustery, with a northwest wind 17 to 22 mph.
Monday
Mostly sunny, with a high near 25. Northwest wind around 17 mph.
Monday Night
Mostly cloudy, with a low around 20. Blustery, with a northwest wind 18 to 20 mph.
Tuesday
Mostly sunny, with a high near 31. Northwest wind 13 to 16 mph.
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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:
4:26 am EST Feb 4, 2026
Forecast Valid:
4am EST Feb 4, 2026-6pm EST Feb 10, 2026
 
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Additional Resources

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Chance of Precipitation