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

39°F

4°C

Humidity 86%
Wind Speed SE 15 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 28 Feb 11:53 am EST
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 45. South wind around 8 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 32. Calm wind becoming northwest 5 to 8 mph in the evening.

    Low: 32 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of rain between 1pm and 2pm, then snow likely. Patchy fog before 9am, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 38. North wind 9 to 13 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Patchy Fog
    then
    Rain/Snow
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 8pm. Patchy fog before 8pm. Otherwise, partly cloudy, with a low around 18. North wind around 15 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    and Patchy
    Fog then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. North wind 6 to 13 mph.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Northwest wind around 6 mph becoming south after midnight.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain after 4pm. Partly sunny, with a high near 41. South wind 7 to 14 mph. Chance of precipitation is 30%.

    High: 41 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 9pm. Low around 35. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Partly sunny, with a high near 41. Southwest wind 8 to 14 mph becoming north in the afternoon. Chance of precipitation is 70%.

    High: 41 °F

    Rain Likely
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 45. South wind around 8 mph.
Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 32. Calm wind becoming northwest 5 to 8 mph in the evening.
Sunday
A slight chance of rain between 1pm and 2pm, then snow likely. Patchy fog before 9am, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 38. North wind 9 to 13 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow, mainly before 8pm. Patchy fog before 8pm. Otherwise, partly cloudy, with a low around 18. North wind around 15 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 26. North wind 6 to 13 mph.
Monday Night
Mostly clear, with a low around 21. Northwest wind around 6 mph becoming south after midnight.
Tuesday
A chance of rain after 4pm. Partly sunny, with a high near 41. South wind 7 to 14 mph. Chance of precipitation is 30%.
Tuesday Night
Rain, mainly after 9pm. Low around 35. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 41. Southwest wind 8 to 14 mph becoming north in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Mostly cloudy, with a low around 34. Northeast wind around 6 mph becoming south after midnight.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. South wind 7 to 11 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Cloudy, with a low around 37. South wind around 11 mph. Chance of precipitation is 50%.
Friday
A chance of rain. Cloudy, with a high near 43. Southwest wind 10 to 14 mph becoming northwest in the afternoon. 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:
5:15 am EST Feb 28, 2026
Forecast Valid:
12pm EST Feb 28, 2026-6pm EST Mar 6, 2026
 
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Additional Resources

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