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.

Fair

17°F

-8°C

Humidity 77%
Wind Speed Calm
Barometer 30.65 in (1038.0 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 3 Mar 2:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: Clear, with a low around 19. South wind around 5 mph.

    Low: 19 °F

    Clear

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow before 3pm, then rain. High near 39. South wind 7 to 14 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Patchy fog after 10pm. Low around 35. Southeast wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of rain before 7am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48. Northwest wind 7 to 11 mph becoming south in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 8am. Cloudy, with a high near 41. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 41 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 34. East wind 8 to 14 mph. Chance of precipitation is 70%.

    Low: 34 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before noon. Cloudy, with a high near 42. Northeast wind 14 to 16 mph. Chance of precipitation is 70%.

    High: 42 °F

    Rain Likely

  • Friday Night

    Friday Night: Cloudy, with a low around 34. Northeast wind 6 to 11 mph.

    Low: 34 °F

    Cloudy

Detailed Forecast

Overnight
Clear, with a low around 19. South wind around 5 mph.
Tuesday
Rain likely, possibly mixed with snow before 3pm, then rain. High near 39. South wind 7 to 14 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain. Patchy fog after 10pm. Low around 35. Southeast wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A chance of rain before 7am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48. Northwest wind 7 to 11 mph becoming south in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 33. Calm wind.
Thursday
A chance of rain, mainly after 8am. Cloudy, with a high near 41. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 34. East wind 8 to 14 mph. Chance of precipitation is 70%.
Friday
Rain likely, mainly before noon. Cloudy, with a high near 42. Northeast wind 14 to 16 mph. Chance of precipitation is 70%.
Friday Night
Cloudy, with a low around 34. Northeast wind 6 to 11 mph.
Saturday
Mostly cloudy, with a high near 46. Southeast wind 6 to 14 mph becoming southwest in the afternoon.
Saturday Night
A chance of rain. Cloudy, with a low around 39. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday
A chance of rain. Mostly cloudy, with a high near 46. Southwest wind 10 to 14 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 37. Southwest wind around 9 mph.
Monday
Partly sunny, with a high near 46. Southwest wind 10 to 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
2:06 am EST Mar 3, 2026
Forecast Valid:
3am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation