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 and Breezy

16°F

-9°C

Humidity 59%
Wind Speed NW 22 G 33 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 27 Jan 8:53 am EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • Today

    Today: Increasing clouds, with a high near 27. Blustery, with a west wind 17 to 23 mph.

    High: 27 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Tonight

    Tonight: A chance of snow showers, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 19. Windy, with a northwest wind 21 to 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    Showers and
    Windy then
    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 24. Blustery, with a northwest wind 10 to 20 mph.

    High: 24 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 2am. Mostly cloudy, with a low around 20. Northwest wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before 2pm. Mostly sunny, with a high near 24. Northwest wind 13 to 17 mph. Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Blustery, with a northwest wind around 22 mph.

    Low: 17 °F

    Partly Cloudy
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 21. Breezy, with a west wind 18 to 21 mph.

    High: 21 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17. West wind 10 to 18 mph.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow after 4pm. Partly sunny, with a high near 31. Northwest wind 9 to 13 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 31 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 27. Blustery, with a west wind 17 to 23 mph.
Tonight
A chance of snow showers, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 19. Windy, with a northwest wind 21 to 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 24. Blustery, with a northwest wind 10 to 20 mph.
Wednesday Night
A slight chance of snow after 2am. Mostly cloudy, with a low around 20. Northwest wind 7 to 10 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow before 2pm. Mostly sunny, with a high near 24. Northwest wind 13 to 17 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 17. Blustery, with a northwest wind around 22 mph.
Friday
Mostly sunny, with a high near 21. Breezy, with a west wind 18 to 21 mph.
Friday Night
Partly cloudy, with a low around 17. West wind 10 to 18 mph.
Saturday
A chance of snow after 4pm. Partly sunny, with a high near 31. Northwest wind 9 to 13 mph becoming north in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 26. Windy, with a northeast wind 16 to 21 mph increasing to 29 to 34 mph after midnight. Chance of precipitation is 50%.
Sunday
A chance of snow. Cloudy, with a high near 36. Very windy, with a northeast wind 34 to 43 mph. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27. Very windy, with a north wind 41 to 46 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 33. Windy, with a northwest wind 23 to 33 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:
9:19 am EST Jan 27, 2026
Forecast Valid:
9am EST Jan 27, 2026-6pm EST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation