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.

Light Snow

24°F

-4°C

Humidity 68%
Wind Speed W 18 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 15°F (-9°C)
Visibility 9.00 mi
Wind Chill10°F (-12°C)
Last update 27 Jan 3:53 pm EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 27. West wind around 16 mph, with gusts as high as 29 mph.

    High: 27 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of snow showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 18. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Breezy.
    Chance Snow
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 24. Northwest wind 8 to 17 mph.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers after midnight. Mostly cloudy, with a low around 18. Northwest wind 7 to 13 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: A slight chance of snow showers before 1pm. Mostly sunny, with a high near 24. Northwest wind 11 to 14 mph. Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Northwest wind around 15 mph.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22. West wind 14 to 16 mph.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15. Northwest wind 9 to 14 mph.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. Northwest wind 7 to 9 mph becoming north in the afternoon.

    High: 30 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 27. West wind around 16 mph, with gusts as high as 29 mph.
Tonight
A chance of snow showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 18. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 24. Northwest wind 8 to 17 mph.
Wednesday Night
A slight chance of snow showers after midnight. Mostly cloudy, with a low around 18. Northwest wind 7 to 13 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow showers before 1pm. Mostly sunny, with a high near 24. Northwest wind 11 to 14 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 15. Northwest wind around 15 mph.
Friday
Mostly sunny, with a high near 22. West wind 14 to 16 mph.
Friday Night
Partly cloudy, with a low around 15. Northwest wind 9 to 14 mph.
Saturday
Partly sunny, with a high near 30. Northwest wind 7 to 9 mph becoming north in the afternoon.
Saturday Night
Snow likely, mainly after 3am. The snow could be heavy at times. Mostly cloudy, with a low around 24. Blustery, with a northeast wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%.
Sunday
Rain and snow likely. The snow could be heavy at times. Cloudy, with a high near 34. Breezy, with a north wind 23 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 25. Blustery, with a northwest wind 21 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 33. Northwest wind 15 to 18 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 26. Northwest wind 11 to 15 mph.
Tuesday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
2:44 pm EST Jan 27, 2026
Forecast Valid:
4pm EST Jan 27, 2026-6pm EST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation