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

34°F

1°C

Humidity 73%
Wind Speed E 8 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 7 Apr 5:53 am EDT
Extended Forecast for

3 Miles NNE Siasconset MA

  • Today

    Today: Showers likely before 2pm, then isolated showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. East wind 8 to 18 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Windy, with a northwest wind 18 to 26 mph, with gusts as high as 37 mph.

    Low: 35 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 39. Breezy, with a north wind 13 to 21 mph.

    High: 39 °F

    Sunny and
    Breezy then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Southeast wind 3 to 8 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 44. Southeast wind 7 to 9 mph.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Southeast wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. Southwest wind 3 to 8 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Southwest wind 8 to 10 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. Southwest wind 8 to 11 mph becoming north in the afternoon.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely before 2pm, then isolated showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. East wind 8 to 18 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Partly cloudy, with a low around 35. Windy, with a northwest wind 18 to 26 mph, with gusts as high as 37 mph.
Wednesday
Sunny, with a high near 39. Breezy, with a north wind 13 to 21 mph.
Wednesday Night
Mostly clear, with a low around 36. Southeast wind 3 to 8 mph.
Thursday
Sunny, with a high near 44. Southeast wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 42. Southeast wind around 7 mph.
Friday
Sunny, with a high near 48. Southwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 45. Southwest wind 8 to 10 mph.
Saturday
Mostly sunny, with a high near 49. Southwest wind 8 to 11 mph becoming north in the afternoon.
Saturday Night
Mostly clear, with a low around 43. North wind 5 to 7 mph.
Sunday
Sunny, with a high near 48. North wind around 6 mph becoming southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 44. South wind 8 to 13 mph.
Monday
Partly sunny, with a high near 53. Southwest wind 16 to 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
Last Update:
5:25 am EDT Apr 7, 2026
Forecast Valid:
6am EDT Apr 7, 2026-6pm EDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation