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

31°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 30.24 in (1024.0 mb)
Dewpoint 31°F (-1°C)
Visibility 0.50 mi
Last update 5 Mar 12:53 am EST
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Areas of fog between 3am and 5am. Areas of freezing fog after 5am. Otherwise, mostly cloudy, with a low around 30. Light southwest wind.

    Low: 30 °F

    Areas
    Freezing Fog
    and Areas Fog

  • Thursday

    Thursday: Rain, mainly after 2pm. Areas of dense fog after 7am. Areas of freezing fog before 7am. High near 38. Light and variable wind becoming northeast 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Chance Rain
    and Areas
    Freezing Fog
    then Rain and
    Areas Fog

  • Thursday Night

    Thursday Night: Rain. Areas of fog. Low around 37. Breezy, with an east wind 15 to 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain and
    Areas Fog

  • Friday

    Friday: Rain, mainly before noon. Areas of fog. High near 40. East wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain and
    Areas Fog
    then Chance
    Rain and
    Areas Fog

  • Friday Night

    Friday Night: Patchy fog between 7pm and 8pm. Otherwise, cloudy, with a low around 35. Northeast wind 5 to 15 mph.

    Low: 35 °F

    Patchy Fog
    then Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 46. Light and variable wind becoming south 6 to 11 mph in the morning.

    High: 46 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Cloudy, with a low around 39. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: A chance of rain before 1pm. Mostly cloudy, with a high near 46. West wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 46 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. West wind around 7 mph.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog between 3am and 5am. Areas of freezing fog after 5am. Otherwise, mostly cloudy, with a low around 30. Light southwest wind.
Thursday
Rain, mainly after 2pm. Areas of dense fog after 7am. Areas of freezing fog before 7am. High near 38. Light and variable wind becoming northeast 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Areas of fog. Low around 37. Breezy, with an east wind 15 to 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain, mainly before noon. Areas of fog. High near 40. East wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Patchy fog between 7pm and 8pm. Otherwise, cloudy, with a low around 35. Northeast wind 5 to 15 mph.
Saturday
Cloudy, with a high near 46. Light and variable wind becoming south 6 to 11 mph in the morning.
Saturday Night
A chance of rain after 1am. Cloudy, with a low around 39. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Sunday
A chance of rain before 1pm. Mostly cloudy, with a high near 46. West wind 7 to 11 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 37. West wind around 7 mph.
Monday
Mostly sunny, with a high near 44. Southwest wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 39. Southwest wind around 9 mph.
Tuesday
Mostly cloudy, with a high near 45. Southwest wind 8 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 39. Southwest wind 8 to 10 mph.
Wednesday
Cloudy, with a high near 47. Southwest wind 11 to 16 mph.
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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:
12:05 am EST Mar 5, 2026
Forecast Valid:
1am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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