Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast and Windy

35°F

2°C

Humidity 78%
Wind Speed NE 28 G 48 mph
Barometer 29.73 in (1006.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 22 Feb 10:53 pm EST
Extended Forecast for

3 Miles NNW Siasconset MA

Coastal Flood Watch February 23, 01:00pm until February 23, 08:00pm
Blizzard Warning until February 24, 07:00am
Coastal Flood Warning February 23, 01:00am until February 23, 07:00am
Click here for hazard details and duration
Coastal Flood Watch
Blizzard Warning
Coastal Flood Warning
  •  
    Blizzard Warning until February 24, 07:00am

    NOW until 7:00am Tue

    Blizzard Warning

  • Tonight

    Low: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow before 9am, then rain between 9am and 1pm, then snow after 1pm.  Areas of blowing snow before 9am, then areas of blowing snow after 1pm. High near 35. Very windy, with an east wind 37 to 47 mph becoming north in the afternoon. Winds could gust as high as 75 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Rain/Snow and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 26. Windy, with a northwest wind 29 to 34 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 60 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Likely
    and Windy
    then Slight
    Chance Snow
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Northwest wind 13 to 18 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West wind 10 to 14 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain and snow likely before 10am, then rain.  High near 39. South wind 10 to 15 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm.  Partly cloudy, with a low around 33. Southwest wind around 14 mph.  Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of rain after 3pm.  Partly sunny, with a high near 42. West wind around 11 mph.  Chance of precipitation is 30%.

    High: 42 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Areas of blowing snow after 2am. Low around 32. Very windy, with an east wind 31 to 36 mph increasing to 44 to 49 mph after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Monday
Snow before 9am, then rain between 9am and 1pm, then snow after 1pm. Areas of blowing snow before 9am, then areas of blowing snow after 1pm. High near 35. Very windy, with an east wind 37 to 47 mph becoming north in the afternoon. Winds could gust as high as 75 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Snow likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 26. Windy, with a northwest wind 29 to 34 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 31. Northwest wind 13 to 18 mph.
Tuesday Night
Partly cloudy, with a low around 25. West wind 10 to 14 mph.
Wednesday
Rain and snow likely before 10am, then rain. High near 39. South wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain before 8pm. Partly cloudy, with a low around 33. Southwest wind around 14 mph. Chance of precipitation is 30%.
Thursday
A chance of rain after 3pm. Partly sunny, with a high near 42. West wind around 11 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 9pm. Mostly cloudy, with a low around 34. South wind 11 to 16 mph. Chance of precipitation is 70%.
Friday
A chance of rain before 4pm. Partly sunny, with a high near 41. West wind 11 to 15 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 32. West wind 7 to 10 mph.
Saturday
Sunny, with a high near 39. West wind 7 to 11 mph becoming southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 34. South wind around 11 mph.
Sunday
Partly sunny, with a high near 40. Southwest wind 11 to 13 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Siasconset MA
 41.31°N 70.02°W (Elev. 13 ft)
11:02 pm EST Feb 22, 2026
11pm EST Feb 22, 2026-6pm EST Mar 1, 2026
 
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Additional Resources

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