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.

Fair

19°F

-7°C

Humidity 54%
Wind Speed NW 12 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 29 Jan 1:53 am EST
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: A slight chance of snow showers before 4am. Mostly cloudy, with a low around 15. Northwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: A slight chance of snow showers between 9am and 11am. Mostly sunny, with a high near 24. Northwest wind 11 to 17 mph. Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13. Wind chill values as low as -2. Blustery, with a northwest wind 17 to 20 mph.

    Low: 13 °F

    Partly Cloudy
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 21. Wind chill values as low as -3. Breezy, with a west wind 15 to 20 mph.

    High: 21 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13. Northwest wind 9 to 15 mph.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29. Northwest wind 6 to 10 mph.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 3am. Mostly cloudy, with a low around 21. Blustery, with a northeast wind 7 to 12 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%.

    Low: 21 °F

    Chance Snow
    then Snow
    Likely and
    Blustery

  • Sunday

    Sunday: Snow before 2pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 33. Windy, with a north wind 26 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 80%.

    High: 33 °F

    Windy. Heavy
    Snow then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. The snow could be heavy at times. Mostly cloudy, with a low around 25. Windy, with a north wind 23 to 31 mph, with gusts as high as 46 mph. Chance of precipitation is 70%.

    Low: 25 °F

    Heavy Snow
    and Windy

Detailed Forecast

Overnight
A slight chance of snow showers before 4am. Mostly cloudy, with a low around 15. Northwest wind around 10 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow showers between 9am and 11am. Mostly sunny, with a high near 24. Northwest wind 11 to 17 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 13. Wind chill values as low as -2. Blustery, with a northwest wind 17 to 20 mph.
Friday
Mostly sunny, with a high near 21. Wind chill values as low as -3. Breezy, with a west wind 15 to 20 mph.
Friday Night
Partly cloudy, with a low around 13. Northwest wind 9 to 15 mph.
Saturday
Mostly sunny, with a high near 29. Northwest wind 6 to 10 mph.
Saturday Night
Snow likely, mainly after 3am. Mostly cloudy, with a low around 21. Blustery, with a northeast wind 7 to 12 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%.
Sunday
Snow before 2pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 33. Windy, with a north wind 26 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 80%.
Sunday Night
Snow likely, mainly before midnight. The snow could be heavy at times. Mostly cloudy, with a low around 25. Windy, with a north wind 23 to 31 mph, with gusts as high as 46 mph. Chance of precipitation is 70%.
Monday
Mostly sunny, with a high near 33. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 26. Northwest wind 11 to 14 mph.
Tuesday
Mostly sunny, with a high near 33. West wind around 11 mph.
Tuesday Night
Partly cloudy, with a low around 23. Northwest wind around 10 mph.
Wednesday
Mostly sunny, with a high near 32. Northwest wind 9 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
12:04 am EST Jan 29, 2026
Forecast Valid:
2am EST Jan 29, 2026-6pm EST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation