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.

Snow Fog/Mist and Windy

34°F

1°C

Humidity 97%
Wind Speed NE 32 G 46 mph
Barometer 29.58 in (1001.5 mb)
Dewpoint 33°F (1°C)
Visibility 2.00 mi
Wind Chill20°F (-7°C)
Last update 26 Jan 2:53 am EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 36. Northeast wind around 14 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain between 9am and 2pm, then a chance of snow after 2pm. Cloudy, with a high near 38. Northeast wind around 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 38 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of snow between 8pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 17. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    and Blustery
    then Gradual
    Clearing and
    Breezy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 28. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 30 mph.

    High: 28 °F

    Sunny and
    Blustery then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 8pm. Mostly cloudy, with a low around 17. West wind 14 to 16 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 24. Northwest wind 10 to 15 mph.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. West wind 7 to 10 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow after 8am. Mostly cloudy, with a high near 24. Northwest wind 9 to 14 mph. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 2am. Mostly cloudy, with a low around 14. Northwest wind around 17 mph. Chance of precipitation is 30%.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 36. Northeast wind around 14 mph.
Monday
A chance of rain between 9am and 2pm, then a chance of snow after 2pm. Cloudy, with a high near 38. Northeast wind around 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A chance of snow between 8pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 17. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
Increasing clouds, with a high near 28. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A slight chance of snow after 8pm. Mostly cloudy, with a low around 17. West wind 14 to 16 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 24. Northwest wind 10 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 19. West wind 7 to 10 mph.
Thursday
A chance of snow after 8am. Mostly cloudy, with a high near 24. Northwest wind 9 to 14 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow before 2am. Mostly cloudy, with a low around 14. Northwest wind around 17 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 23. West wind around 15 mph.
Friday Night
Mostly cloudy, with a low around 16. Northwest wind 11 to 14 mph.
Saturday
Mostly sunny, with a high near 27. Northwest wind 9 to 11 mph.
Saturday Night
Partly cloudy, with a low around 21. Northwest wind around 11 mph.
Sunday
Partly sunny, with a high near 31. Northwest wind 11 to 14 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
12:48 am EST Jan 26, 2026
Forecast Valid:
3am EST Jan 26, 2026-6pm EST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation