National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Mostly Cloudy

35°F

2°C

Humidity 76%
Wind Speed SW 7 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Feb 10:53 am EST
Extended Forecast for

Nantucket MA

  • Today

    Today: Cloudy, with a high near 36. Southwest wind around 7 mph.

    High: 36 °F

    Cloudy

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 32. West wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 3pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 37. West wind around 6 mph becoming east in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 37 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Cloudy, with a low around 30. North wind 6 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 35. North wind 6 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. East wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain and snow before 11am, then a chance of rain between 11am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 38. East wind 6 to 10 mph. Chance of precipitation is 50%.

    High: 38 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow, becoming all rain after 8pm. Cloudy, with a low around 30. East wind around 11 mph becoming northeast after midnight. Chance of precipitation is 60%.

    Low: 30 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 36. Northeast wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Rain

Detailed Forecast

Today
Cloudy, with a high near 36. Southwest wind around 7 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 32. West wind around 6 mph.
Wednesday
Rain likely, mainly after 3pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 37. West wind around 6 mph becoming east 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 3am, then a chance of snow after 3am. Cloudy, with a low around 30. North wind 6 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 35. North wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 30. East wind around 6 mph.
Friday
A chance of rain and snow before 11am, then a chance of rain between 11am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 38. East wind 6 to 10 mph. Chance of precipitation is 50%.
Friday Night
Rain likely, possibly mixed with snow, becoming all rain after 8pm. Cloudy, with a low around 30. East wind around 11 mph becoming northeast after midnight. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 36. Northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain before 9pm. Mostly cloudy, with a low around 29. Northeast wind around 7 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 35. Northeast wind 9 to 13 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 28. Northeast wind 13 to 15 mph. Chance of precipitation is 50%.
Monday
A chance of rain and snow. Partly sunny, with a high near 34. Northwest wind around 15 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
8:22 am EST Feb 17, 2026
Forecast Valid:
11am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation