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.

Fog/Mist

37°F

3°C

Humidity 93%
Wind Speed E 20 G 29 mph
Barometer 29.71 in (1005.9 mb)
Dewpoint 35°F (2°C)
Visibility 3.00 mi
Wind Chill27°F (-3°C)
Last update 20 Feb 3:53 pm EST
Extended Forecast for

Nantucket Memorial Airport MA

Winter Storm Watch February 23, 12:00am until February 23, 07:00pm
High Wind Watch February 23, 06:00am until February 23, 11:00pm
Coastal Flood Watch February 23, 11:00pm until February 24, 07:00am
Click here for hazard details and duration
Winter Storm Watch
High Wind Watch
Coastal Flood Watch

  • This Afternoon

    This Afternoon: Rain. High near 40. Breezy, with an east wind around 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Rain and
    Breezy

  • Tonight

    Tonight: Rain before 4am, then a slight chance of snow. Low around 33. Breezy, with an east wind 15 to 20 mph becoming northeast 8 to 13 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain and
    Breezy then
    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow before 8am. Cloudy, with a high near 35. North wind 10 to 14 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow then
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. North wind 6 to 8 mph.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow after 2pm. Mostly cloudy, with a high near 35. East wind 9 to 14 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before 9pm, then rain and snow likely between 9pm and 2am, then snow after 2am. The snow could be heavy at times. Low around 30. Windy, with an east wind 17 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow
    Likely and
    Breezy then
    Rain/Snow and
    Windy

  • Monday

    Monday: Snow, possibly mixed with rain, becoming all snow after 3pm. High near 35. Windy, with a north wind 30 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%.

    High: 35 °F

    Rain/Snow and
    Windy

  • Monday Night

    Monday Night: Snow likely, mainly before 9pm. Mostly cloudy, with a low around 24. Windy, with a northwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 70%.

    Low: 24 °F

    Snow Likely
    and Windy
    then Chance
    Snow and
    Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Northwest wind 11 to 15 mph.

    High: 32 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain. High near 40. Breezy, with an east wind around 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 4am, then a slight chance of snow. Low around 33. Breezy, with an east wind 15 to 20 mph becoming northeast 8 to 13 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday
A slight chance of snow before 8am. Cloudy, with a high near 35. North wind 10 to 14 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 30. North wind 6 to 8 mph.
Sunday
A slight chance of snow after 2pm. Mostly cloudy, with a high near 35. East wind 9 to 14 mph. Chance of precipitation is 20%.
Sunday Night
A chance of snow before 9pm, then rain and snow likely between 9pm and 2am, then snow after 2am. The snow could be heavy at times. Low around 30. Windy, with an east wind 17 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow, possibly mixed with rain, becoming all snow after 3pm. High near 35. Windy, with a north wind 30 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%.
Monday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 24. Windy, with a northwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 32. Northwest wind 11 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind around 11 mph.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 38. West wind 9 to 14 mph becoming south in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Southwest wind 11 to 14 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 42. Southwest wind 14 to 17 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 31. Southwest wind around 13 mph. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 37.
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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:
4:39 pm EST Feb 20, 2026
Forecast Valid:
4pm EST Feb 20, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation