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.

A Few Clouds

35°F

2°C

Humidity 50%
Wind Speed W 17 G 29 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 23 Jan 6:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Winter Storm Warning January 25, 07:00am until January 26, 08:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 13. Wind chill values as low as -5. Windy, with a northwest wind 25 to 28 mph.

    Low: 13 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 23 mph.

    High: 19 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 11am. The snow could be heavy at times. Areas of blowing snow after 4pm. High near 36. North wind 8 to 18 mph becoming east in the afternoon. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 36 °F

    Snow Likely
    then Heavy
    Snow and
    Areas Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow before midnight, then rain and sleet. The snow could be heavy at times. Low around 29. Windy, with an east wind 28 to 32 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.

    Low: 29 °F

    Windy. Heavy
    Snow then
    Rain/Sleet

  • Monday

    Monday: Rain and sleet before 11am, then rain likely between 11am and 2pm, then a chance of snow after 2pm. High near 38. Breezy, with a northeast wind 18 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    High: 38 °F

    Wintry Mix
    and Breezy

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 19. Windy, with a west wind 25 to 32 mph. Chance of precipitation is 50%.

    Low: 19 °F

    Chance Snow
    and Windy

  • Tuesday

    Tuesday: A chance of snow before 9am. Mostly sunny, with a high near 26. Windy, with a west wind 22 to 30 mph. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow
    and Windy
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. Breezy, with a west wind 22 to 24 mph.

    Low: 19 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 13. Wind chill values as low as -5. Windy, with a northwest wind 25 to 28 mph.
Saturday
Mostly sunny, with a high near 19. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 23 mph.
Saturday Night
Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph.
Sunday
Snow, mainly after 11am. The snow could be heavy at times. Areas of blowing snow after 4pm. High near 36. North wind 8 to 18 mph becoming east in the afternoon. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
Snow before midnight, then rain and sleet. The snow could be heavy at times. Low around 29. Windy, with an east wind 28 to 32 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.
Monday
Rain and sleet before 11am, then rain likely between 11am and 2pm, then a chance of snow after 2pm. High near 38. Breezy, with a northeast wind 18 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Monday Night
A chance of snow. Mostly cloudy, with a low around 19. Windy, with a west wind 25 to 32 mph. Chance of precipitation is 50%.
Tuesday
A chance of snow before 9am. Mostly sunny, with a high near 26. Windy, with a west wind 22 to 30 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 19. Breezy, with a west wind 22 to 24 mph.
Wednesday
Mostly sunny, with a high near 25. Breezy, with a west wind 17 to 20 mph.
Wednesday Night
Mostly cloudy, with a low around 20. Northwest wind 14 to 17 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 26. Northwest wind 14 to 16 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19. Blustery, with a northwest wind 20 to 23 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 21 to 23 mph. Chance of precipitation is 30%.
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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:
12:56 pm EST Jan 23, 2026
Forecast Valid:
7pm EST Jan 23, 2026-6pm EST Jan 30, 2026
 
Forecast Discussion
 
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Additional Resources

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