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.

Light Rain

33°F

1°C

Humidity 96%
Wind Speed NW 10 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Feb 4:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

Winter Storm Watch February 22, 01:00pm until February 24, 07:00am
Coastal Flood Watch February 23, 01:00am until February 24, 07:00am
Click here for hazard details and duration
Winter Storm Watch
Coastal Flood Watch

  • Overnight

    Overnight: A chance of rain and snow showers. Cloudy, with a low around 33. Northwest wind around 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow showers, mainly between 9am and noon. Cloudy, with a high near 35. North wind 10 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27. North wind around 7 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow after 4pm. Cloudy, with a high near 36. East wind 8 to 15 mph. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before 10pm, then rain and snow between 10pm and 2am, then snow after 2am. The snow could be heavy at times. Low around 30. Windy, with a northeast wind 21 to 26 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 30 °F

    Rain/Snow and
    Windy

  • Monday

    Monday: Snow, possibly mixed with rain. High near 37. Very windy, with a northeast wind 38 to 44 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Rain/Snow and
    Very Windy

  • Monday Night

    Monday Night: Snow, mainly before 10pm. Low around 24. Windy, with a northwest wind 27 to 32 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%.

    Low: 24 °F

    Snow and
    Windy then
    Chance Snow
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. West wind 11 to 16 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West wind 10 to 13 mph.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain and snow showers. Cloudy, with a low around 33. Northwest wind around 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A chance of snow showers, mainly between 9am and noon. Cloudy, with a high near 35. North wind 10 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 27. North wind around 7 mph.
Sunday
A slight chance of snow after 4pm. Cloudy, with a high near 36. East wind 8 to 15 mph. Chance of precipitation is 20%.
Sunday Night
A chance of snow before 10pm, then rain and snow between 10pm and 2am, then snow after 2am. The snow could be heavy at times. Low around 30. Windy, with a northeast wind 21 to 26 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow, possibly mixed with rain. High near 37. Very windy, with a northeast wind 38 to 44 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday Night
Snow, mainly before 10pm. Low around 24. Windy, with a northwest wind 27 to 32 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 32. West wind 11 to 16 mph.
Tuesday Night
Partly cloudy, with a low around 22. West wind 10 to 13 mph.
Wednesday
A chance of rain after 3pm. Mostly cloudy, with a high near 37. West wind 10 to 13 mph becoming south in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31. Southwest wind 11 to 13 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 42. Southwest wind 14 to 18 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 32. Southwest wind 13 to 15 mph. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 40. West wind 11 to 14 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
3:33 am EST Feb 21, 2026
Forecast Valid:
5am EST Feb 21, 2026-6pm EST Feb 27, 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