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.

Overcast

22°F

-6°C

Humidity 66%
Wind Speed N 10 mph
Barometer 30.31 in (1026.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 5 Dec 6:53 am EST
Extended Forecast for

2 Miles E Siasconset MA

  • Today

    Today: Mostly cloudy, with a high near 35. North wind 6 to 8 mph becoming south in the afternoon.

    High: 35 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 37 by 4am. South wind around 6 mph becoming east after midnight.

    Low: 30 °F⇑

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 10am. Partly sunny, with a high near 45. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Southwest wind 8 to 11 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. North wind 7 to 10 mph.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 29. North wind 6 to 13 mph becoming south after midnight. Chance of precipitation is 40%.

    Low: 29 °F

    Chance Rain

  • Monday

    Monday: A chance of rain before 10am, then a chance of snow between 10am and noon. Partly sunny, with a high near 38. Breezy, with a northwest wind 16 to 20 mph. Chance of precipitation is 40%.

    High: 38 °F

    Breezy.
    Chance
    Rain/Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Northwest wind 10 to 18 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Northwest wind 8 to 14 mph becoming southwest in the afternoon.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 35. North wind 6 to 8 mph becoming south in the afternoon.
Tonight
Partly cloudy, with a temperature rising to around 37 by 4am. South wind around 6 mph becoming east after midnight.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 45. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Southwest wind 8 to 11 mph becoming northwest after midnight. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 42. North wind 7 to 10 mph.
Sunday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 29. North wind 6 to 13 mph becoming south after midnight. Chance of precipitation is 40%.
Monday
A chance of rain before 10am, then a chance of snow between 10am and noon. Partly sunny, with a high near 38. Breezy, with a northwest wind 16 to 20 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 24. Northwest wind 10 to 18 mph.
Tuesday
Partly sunny, with a high near 43. Northwest wind 8 to 14 mph becoming southwest in the afternoon.
Tuesday Night
A chance of rain before 3am. Mostly cloudy, with a low around 36. West wind around 15 mph. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 50. South wind 13 to 15 mph.
Wednesday Night
A chance of rain. Cloudy, with a low around 41. South wind around 14 mph. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 47. Southwest wind 14 to 16 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
2:50 am EST Dec 5, 2025
Forecast Valid:
7am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation