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.

Freezing Fog

30°F

-1°C

Humidity 100%
Wind Speed S 3 mph
Barometer NA
Dewpoint 30°F (-1°C)
Visibility 0.25 mi
Last update 9 Jan 2:53 am EST
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, increasing clouds, with a high near 45. South wind 5 to 13 mph.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Showers likely, mainly between 11pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 37. South wind 11 to 17 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Patchy fog before 9am, then patchy fog after 4pm. Otherwise, cloudy, with a high near 43. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: Rain. Patchy fog before 8pm. Low around 36. East wind 7 to 10 mph becoming southwest after midnight. Chance of precipitation is 100%.

    Low: 36 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain. High near 43. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 43 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of rain before midnight. Partly cloudy, with a low around 29. Breezy, with a west wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Chance Rain
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: Sunny, with a high near 38. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 38 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. West wind around 13 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 32. Calm wind.
Friday
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 45. South wind 5 to 13 mph.
Friday Night
Showers likely, mainly between 11pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 37. South wind 11 to 17 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly after 4pm. Patchy fog before 9am, then patchy fog after 4pm. Otherwise, cloudy, with a high near 43. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Patchy fog before 8pm. Low around 36. East wind 7 to 10 mph becoming southwest after midnight. Chance of precipitation is 100%.
Sunday
Rain. High near 43. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Sunday Night
A chance of rain before midnight. Partly cloudy, with a low around 29. Breezy, with a west wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Monday
Sunny, with a high near 38. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 32. West wind around 13 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 42. Southwest wind 13 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 43. Southwest wind 10 to 13 mph.
Wednesday Night
A chance of rain. Cloudy, with a low around 34. Southwest wind around 9 mph becoming north after midnight. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 39. North wind 9 to 13 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
12:42 am EST Jan 9, 2026
Forecast Valid:
3am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation