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

29°F

-2°C

Humidity 66%
Wind Speed W 10 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 13 Feb 6:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • Tonight

    Tonight: A chance of flurries after 4am. Increasing clouds, with a low around 27. West wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Chance
    Flurries

  • Saturday

    Saturday: A chance of flurries before 9am. Mostly sunny, with a high near 35. West wind 13 to 15 mph.

    High: 35 °F

    Chance
    Flurries

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. West wind 9 to 16 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 32. Northwest wind 7 to 16 mph.

    High: 32 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. Calm wind becoming southeast around 6 mph after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 38. Southeast wind 6 to 8 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Southeast wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. Southwest wind 7 to 10 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West wind around 9 mph.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of flurries after 4am. Increasing clouds, with a low around 27. West wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday
A chance of flurries before 9am. Mostly sunny, with a high near 35. West wind 13 to 15 mph.
Saturday Night
Mostly clear, with a low around 27. West wind 9 to 16 mph.
Sunday
Sunny, with a high near 32. Northwest wind 7 to 16 mph.
Sunday Night
Mostly cloudy, with a low around 29. Calm wind becoming southeast around 6 mph after midnight.
Washington's Birthday
Partly sunny, with a high near 38. Southeast wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 36. Southeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 39. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West wind around 9 mph.
Wednesday
A chance of rain after 3pm. Partly sunny, with a high near 40. Northwest wind 9 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow. Cloudy, with a low around 33. Southwest wind 9 to 15 mph becoming north after midnight. Chance of precipitation is 50%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 37. North wind 14 to 16 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 31. North wind around 15 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 35. East wind around 16 mph. Chance of precipitation is 50%.
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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:
6:34 pm EST Feb 13, 2026
Forecast Valid:
7pm EST Feb 13, 2026-6pm EST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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