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.

Partly Cloudy

21°F

-6°C

Humidity 52%
Wind Speed NW 14 G 29 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 29 Jan 8:53 pm EST
Extended Forecast for

Nantucket MA

Coastal Flood Watch February 1, 08:00am until February 2, 02:00pm
Winter Storm Watch February 1, 04:00am until February 2, 04:00am
Click here for hazard details and duration
Coastal Flood Watch
Winter Storm Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Wind chill values as low as -3. Breezy, with a west wind 16 to 20 mph, with gusts as high as 32 mph.

    Low: 11 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 19. Wind chill values as low as -6. Breezy, with a west wind 17 to 20 mph, with gusts as high as 32 mph.

    High: 19 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13. Northwest wind 10 to 17 mph.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28. Northwest wind 6 to 9 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 5am. Mostly cloudy, with a low around 20. Blustery, with a northeast wind 7 to 12 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Chance Snow
    then Snow
    Likely and
    Blustery

  • Sunday

    Sunday: Snow. High near 33. Windy, with a north wind 26 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    High: 33 °F

    Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow likely, mainly before 11pm. Cloudy, with a low around 25. Windy, with a north wind 24 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 70%.

    Low: 25 °F

    Snow Likely
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 33. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Northwest wind around 11 mph.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. Wind chill values as low as -3. Breezy, with a west wind 16 to 20 mph, with gusts as high as 32 mph.
Friday
Mostly sunny, with a high near 19. Wind chill values as low as -6. Breezy, with a west wind 17 to 20 mph, with gusts as high as 32 mph.
Friday Night
Partly cloudy, with a low around 13. Northwest wind 10 to 17 mph.
Saturday
Partly sunny, with a high near 28. Northwest wind 6 to 9 mph.
Saturday Night
Snow likely, mainly after 5am. Mostly cloudy, with a low around 20. Blustery, with a northeast wind 7 to 12 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow. High near 33. Windy, with a north wind 26 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 25. Windy, with a north wind 24 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 33. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 25. Northwest wind around 11 mph.
Tuesday
Mostly sunny, with a high near 33. Northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind around 10 mph.
Wednesday
Mostly sunny, with a high near 31. Northwest wind 8 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 21. Northwest wind around 7 mph.
Thursday
A chance of snow. Partly sunny, with a high near 32. West wind 8 to 10 mph. Chance of precipitation is 30%.
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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:
1:14 pm EST Jan 29, 2026
Forecast Valid:
9pm EST Jan 29, 2026-6pm EST Feb 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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