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.

Fog

46°F

8°C

Humidity 100%
Wind Speed SW 16 mph
Barometer NA
Dewpoint 46°F (8°C)
Visibility 0.25 mi
Wind Chill39°F (4°C)
Last update 11 Jan 4:53 am EST
Extended Forecast for

2 Miles E Siasconset MA

  • Overnight

    Overnight: Rain. Patchy fog. Low around 38. Southwest wind around 14 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain likely, mainly before 2pm. Patchy fog. Otherwise, cloudy, with a high near 43. West wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A slight chance of rain before 9pm, then a slight chance of rain and snow showers between 9pm and 10pm. Partly cloudy, with a low around 28. Breezy, with a west wind 20 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 38. Breezy, with a west wind 15 to 22 mph, with gusts as high as 34 mph.

    High: 38 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. West wind 10 to 13 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 41. West wind 10 to 13 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 45. Southwest wind 11 to 15 mph.

    High: 45 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 8pm. Cloudy, with a low around 34. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Patchy fog. Low around 38. Southwest wind around 14 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly before 2pm. Patchy fog. Otherwise, cloudy, with a high near 43. West wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of rain before 9pm, then a slight chance of rain and snow showers between 9pm and 10pm. Partly cloudy, with a low around 28. Breezy, with a west wind 20 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 38. Breezy, with a west wind 15 to 22 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 34. West wind 10 to 13 mph.
Tuesday
Sunny, with a high near 41. West wind 10 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Cloudy, with a high near 45. Southwest wind 11 to 15 mph.
Wednesday Night
A chance of rain after 8pm. Cloudy, with a low around 34. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 40. West wind 8 to 11 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. North wind 10 to 15 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Partly sunny, with a high near 34. North wind 14 to 16 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 27. West wind 10 to 13 mph.
Saturday
Mostly sunny, with a high near 37. West wind 10 to 13 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
12:18 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation