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.

Overcast and Breezy

27°F

-3°C

Humidity 72%
Wind Speed NW 21 G 29 mph
Barometer 29.55 in (1000.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 24 Feb 12:53 am EST
Extended Forecast for

5 Miles W Nantucket MA

Coastal Flood Advisory February 24, 02:00am until February 24, 06:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. Windy, with a northwest wind around 26 mph.

    Low: 25 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 30. Blustery, with a northwest wind 15 to 23 mph.

    High: 30 °F

    Decreasing
    Clouds and
    Blustery then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 26. West wind 11 to 17 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain and snow likely before 10am, then rain. High near 38. Breezy, with a south wind 14 to 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    then Rain
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Southwest wind 15 to 18 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm, mixing with snow after 5pm. Partly sunny, with a high near 37. West wind 10 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 37 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow, becoming all rain after 9pm. Mostly cloudy, with a low around 33. South wind 11 to 17 mph becoming east in the evening. Chance of precipitation is 70%.

    Low: 33 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Friday

    Friday: A chance of rain before 2pm. Partly sunny, with a high near 38. Northwest wind 11 to 16 mph. Chance of precipitation is 50%.

    High: 38 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Northwest wind around 9 mph becoming southwest after midnight.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. Windy, with a northwest wind around 26 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 30. Blustery, with a northwest wind 15 to 23 mph.
Tuesday Night
Increasing clouds, with a low around 26. West wind 11 to 17 mph.
Wednesday
Rain and snow likely before 10am, then rain. High near 38. Breezy, with a south wind 14 to 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 34. Southwest wind 15 to 18 mph.
Thursday
A chance of rain after 1pm, mixing with snow after 5pm. Partly sunny, with a high near 37. West wind 10 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Rain likely, possibly mixed with snow, becoming all rain after 9pm. Mostly cloudy, with a low around 33. South wind 11 to 17 mph becoming east in the evening. Chance of precipitation is 70%.
Friday
A chance of rain before 2pm. Partly sunny, with a high near 38. Northwest wind 11 to 16 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 34. Northwest wind around 9 mph becoming southwest after midnight.
Saturday
Mostly sunny, with a high near 40. South wind 9 to 13 mph.
Saturday Night
Partly cloudy, with a low around 34. Southwest wind 11 to 13 mph becoming northwest after midnight.
Sunday
Partly sunny, with a high near 37. Northwest wind around 15 mph.
Sunday Night
Mostly cloudy, with a low around 25. North wind 15 to 18 mph.
Monday
A chance of snow. Partly sunny, with a high near 31. Northeast wind 16 to 18 mph. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.27°N 70.21°W (Elev. 0 ft)
Last Update:
9:05 pm EST Feb 23, 2026
Forecast Valid:
1am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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