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

33°F

1°C

Humidity 96%
Wind Speed N 8 mph
Barometer 29.59 in (1002.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 26 Jan 5:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • Tonight

    Tonight: Snow showers, mainly before 1am. Low around 19. Windy, with a northwest wind 15 to 20 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Windy. Snow
    Showers then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Increasing clouds, with a high near 27. Windy, with a northwest wind 17 to 26 mph, with gusts as high as 38 mph.

    High: 27 °F

    Sunny and
    Windy then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow. Cloudy during the early evening, then gradual clearing, with a low around 19. Breezy, with a northwest wind 21 to 23 mph. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 25. Blustery, with a northwest wind 11 to 20 mph.

    High: 25 °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 9 to 11 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before 3pm. Mostly sunny, with a high near 23. Northwest wind 14 to 17 mph. Chance of precipitation is 20%.

    High: 23 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. Blustery, with a northwest wind around 23 mph.

    Low: 16 °F

    Partly Cloudy
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 22. Breezy, with a west wind 18 to 22 mph.

    High: 22 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17. Northwest wind 13 to 18 mph.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow showers, mainly before 1am. Low around 19. Windy, with a northwest wind 15 to 20 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Increasing clouds, with a high near 27. Windy, with a northwest wind 17 to 26 mph, with gusts as high as 38 mph.
Tuesday Night
A slight chance of snow. Cloudy during the early evening, then gradual clearing, with a low around 19. Breezy, with a northwest wind 21 to 23 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 25. Blustery, with a northwest wind 11 to 20 mph.
Wednesday Night
A slight chance of snow after 2am. Mostly cloudy, with a low around 20. Northwest wind 9 to 11 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow before 3pm. Mostly sunny, with a high near 23. Northwest wind 14 to 17 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 16. Blustery, with a northwest wind around 23 mph.
Friday
Mostly sunny, with a high near 22. Breezy, with a west wind 18 to 22 mph.
Friday Night
Mostly cloudy, with a low around 17. Northwest wind 13 to 18 mph.
Saturday
Partly sunny, with a high near 29. Northwest wind around 11 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 25. Blustery, with a northeast wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 34. Windy, with a northeast wind 26 to 31 mph. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Windy, with a north wind 31 to 36 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 34. Windy, with a northwest wind 21 to 29 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:
4:31 pm EST Jan 26, 2026
Forecast Valid:
6pm EST Jan 26, 2026-6pm EST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation