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 Snow

32°F

0°C

Humidity 79%
Wind Speed N 7 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 26°F (-3°C)
Visibility 9.00 mi
Wind Chill25°F (-4°C)
Last update 16 Feb 11:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. North wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy flurries and freezing rain between 1pm and 2pm. Cloudy, with a high near 35. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 30%.

    High: 35 °F

    Cloudy then
    Patchy Wintry
    Mix

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West wind 9 to 11 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Cloudy, with a high near 38. West wind 7 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 38 °F

    Cloudy then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely before midnight, then a chance of rain and snow between midnight and 2am, then a slight chance of snow after 2am. Cloudy, with a low around 32. East wind 7 to 13 mph becoming north in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 36. North wind 8 to 13 mph.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. North wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, possibly mixed with snow, mainly after 3pm. Mostly cloudy, with a high near 37. East wind 8 to 15 mph. Chance of precipitation is 60%.

    High: 37 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow before 10pm, then rain likely between 10pm and 3am, then a chance of rain and snow after 3am. Cloudy, with a low around 33. Northeast wind 16 to 18 mph. Chance of precipitation is 60%.

    Low: 33 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. North wind 8 to 10 mph.
Tuesday
Patchy flurries and freezing rain between 1pm and 2pm. Cloudy, with a high near 35. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 34. West wind 9 to 11 mph.
Wednesday
Rain likely, mainly after 4pm. Cloudy, with a high near 38. West wind 7 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely before midnight, then a chance of rain and snow between midnight and 2am, then a slight chance of snow after 2am. Cloudy, with a low around 32. East wind 7 to 13 mph becoming north in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 36. North wind 8 to 13 mph.
Thursday Night
Partly cloudy, with a low around 32. North wind around 6 mph.
Friday
Rain likely, possibly mixed with snow, mainly after 3pm. Mostly cloudy, with a high near 37. East wind 8 to 15 mph. Chance of precipitation is 60%.
Friday Night
Rain likely, possibly mixed with snow before 10pm, then rain likely between 10pm and 3am, then a chance of rain and snow after 3am. Cloudy, with a low around 33. Northeast wind 16 to 18 mph. Chance of precipitation is 60%.
Saturday
A chance of rain and snow before 7am, then a chance of rain between 7am and 8am, then a chance of rain and snow after 8am. Mostly cloudy, with a high near 36. Northeast wind 14 to 17 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Northeast wind 11 to 13 mph. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 35. Northeast wind around 14 mph. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 30. Blustery, with a northeast wind 13 to 20 mph. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 35. Breezy, with an east wind 18 to 20 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
Last Update:
10:56 pm EST Feb 16, 2026
Forecast Valid:
12am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation