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

37°F

3°C

Humidity 70%
Wind Speed E 13 G 23 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 16 Feb 10:53 am EST
Extended Forecast for

Nantucket MA

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 36. Northeast wind around 15 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Northeast wind 7 to 13 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of flurries between noon and 2pm. Partly sunny, with a high near 36. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 36 °F

    Chance
    Flurries

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. West wind 6 to 9 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Cloudy, with a high near 38. West wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 38 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely before midnight, then rain and snow likely between midnight and 3am, then a chance of snow after 3am. Cloudy, with a low around 30. Southeast wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 36. North wind 7 to 10 mph.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. North wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain and snow between 11am and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 36. North wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 50%.

    High: 36 °F

    Chance
    Rain/Snow

Detailed Forecast

Washington's Birthday
Mostly sunny, with a high near 36. Northeast wind around 15 mph.
Tonight
Partly cloudy, with a low around 29. Northeast wind 7 to 13 mph.
Tuesday
A chance of flurries between noon and 2pm. Partly sunny, with a high near 36. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 31. West wind 6 to 9 mph.
Wednesday
Rain likely, mainly after 4pm. Cloudy, with a high near 38. West wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Rain likely before midnight, then rain and snow likely between midnight and 3am, then a chance of snow after 3am. Cloudy, with a low around 30. Southeast wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 36. North wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 29. North wind around 6 mph.
Friday
A chance of rain and snow between 11am and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 36. North wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of rain before 3am, then a chance of rain and snow. Cloudy, with a low around 31. East wind 9 to 11 mph. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Northeast wind 10 to 13 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 30. Northeast wind around 9 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 35. North wind 10 to 13 mph. Chance of precipitation is 30%.
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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:
5:54 am EST Feb 16, 2026
Forecast Valid:
11am EST Feb 16, 2026-6pm EST Feb 22, 2026
 
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Additional Resources

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Chance of Precipitation