National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Snow Freezing Fog

24°F

-4°C

Humidity 91%
Wind Speed E 12 mph
Barometer 30.43 in (1030.5 mb)
Dewpoint 22°F (-6°C)
Visibility 0.25 mi
Wind Chill13°F (-11°C)
Last update 25 Jan 11:53 am EST
Extended Forecast for

3 Miles NNE Siasconset MA

Winter Storm Warning until January 26, 08:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until January 26, 08:00pm

    NOW until 8:00pm Mon

    Winter Storm Warning

  • This Afternoon

    High: 32 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Rain, snow, and sleet, becoming all rain after midnight. Low around 32. Windy, with an east wind 22 to 32 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 32 °F

    Windy. Wintry
    Mix then Rain

  • Monday

    Monday: A chance of rain before 3pm, then a chance of snow. Cloudy, with a high near 38. Northeast wind 13 to 16 mph becoming northwest in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 38 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of snow, mainly before 4am. Cloudy, then gradually becoming partly cloudy, with a low around 20. Windy, with a northwest wind 22 to 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 20 °F

    Chance Snow
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. Windy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon.

    High: 27 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 9pm. Mostly cloudy, with a low around 18. Breezy, with a west wind 18 to 22 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 24. Northwest wind 14 to 18 mph.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. West wind 10 to 13 mph.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 32. Breezy, with an east wind 10 to 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 7 to 11 inches possible.
Tonight
Rain, snow, and sleet, becoming all rain after midnight. Low around 32. Windy, with an east wind 22 to 32 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
A chance of rain before 3pm, then a chance of snow. Cloudy, with a high near 38. Northeast wind 13 to 16 mph becoming northwest in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
A chance of snow, mainly before 4am. Cloudy, then gradually becoming partly cloudy, with a low around 20. Windy, with a northwest wind 22 to 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 27. Windy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon.
Tuesday Night
A slight chance of snow after 9pm. Mostly cloudy, with a low around 18. Breezy, with a west wind 18 to 22 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 24. Northwest wind 14 to 18 mph.
Wednesday Night
Mostly cloudy, with a low around 21. West wind 10 to 13 mph.
Thursday
A chance of snow between 10am and 3pm. Mostly cloudy, with a high near 25. Northwest wind 11 to 17 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow before 4am. Mostly cloudy, with a low around 16. Blustery, with a northwest wind 20 to 22 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 25. Blustery, with a northwest wind 17 to 21 mph.
Friday Night
Mostly cloudy, with a low around 19. Northwest wind 16 to 18 mph.
Saturday
Mostly sunny, with a high near 29. Northwest wind 11 to 14 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
Last Update:
10:03 am EST Jan 25, 2026
Forecast Valid:
12pm EST Jan 25, 2026-6pm EST Jan 31, 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