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

26°F

-3°C

Humidity 71%
Wind Speed NW 12 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 13 Feb 7:53 am EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 31. Northwest wind 7 to 10 mph.

    High: 31 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 26. West wind 5 to 10 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 34. West wind 10 to 13 mph.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West wind 9 to 16 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 33. Northwest wind 7 to 16 mph.

    High: 33 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. Light and variable wind becoming east around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 37. East wind 7 to 10 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. East wind around 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. Southwest wind 7 to 9 mph.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 31. Northwest wind 7 to 10 mph.
Tonight
Increasing clouds, with a low around 26. West wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 34. West wind 10 to 13 mph.
Saturday Night
Mostly clear, with a low around 26. West wind 9 to 16 mph.
Sunday
Sunny, with a high near 33. Northwest wind 7 to 16 mph.
Sunday Night
Mostly cloudy, with a low around 30. Light and variable wind becoming east around 5 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 37. East wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 35. East wind around 9 mph.
Tuesday
Partly sunny, with a high near 39. Southwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 35. West wind 6 to 9 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 41. West wind 9 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Southwest wind 10 to 16 mph becoming northwest after midnight. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 38. North wind around 18 mph. Chance of precipitation is 40%.
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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:
1:51 am EST Feb 13, 2026
Forecast Valid:
8am EST Feb 13, 2026-6pm EST Feb 19, 2026
 
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