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

35°F

2°C

Humidity 64%
Wind Speed N 15 G 25 mph
Barometer 30.27 in (1025.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Mar 8:53 am EDT
Extended Forecast for

3 Miles NNE Siasconset MA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 14 to 16 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Northeast wind 6 to 15 mph becoming southwest in the evening.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44. Northwest wind 10 to 16 mph becoming southwest in the afternoon.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 40. Southwest wind around 17 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 47. Breezy, with a southwest wind 18 to 22 mph.

    High: 47 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. Southwest wind 11 to 16 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Breezy, with a southwest wind 14 to 21 mph.

    High: 50 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. Windy, with a southwest wind 24 to 29 mph.

    Low: 47 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: A chance of rain after 3pm. Mostly sunny, with a high near 50. Windy, with a southwest wind 25 to 28 mph. Chance of precipitation is 30%.

    High: 50 °F

    Windy. Mostly
    Sunny then
    Chance Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 14 to 16 mph.
Tonight
Partly cloudy, with a low around 32. Northeast wind 6 to 15 mph becoming southwest in the evening.
Sunday
Sunny, with a high near 44. Northwest wind 10 to 16 mph becoming southwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 40. Southwest wind around 17 mph.
Monday
Mostly cloudy, with a high near 47. Breezy, with a southwest wind 18 to 22 mph.
Monday Night
Mostly cloudy, with a low around 43. Southwest wind 11 to 16 mph.
Tuesday
Partly sunny, with a high near 50. Breezy, with a southwest wind 14 to 21 mph.
Tuesday Night
Partly cloudy, with a low around 47. Windy, with a southwest wind 24 to 29 mph.
Wednesday
A chance of rain after 3pm. Mostly sunny, with a high near 50. Windy, with a southwest wind 25 to 28 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 9pm. Mostly cloudy, with a low around 38. Breezy, with a southwest wind 17 to 20 mph becoming north after midnight. Chance of precipitation is 70%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 43. Breezy, with a northeast wind 18 to 21 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Cloudy, with a low around 37. Breezy, with a northeast wind 16 to 21 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Cloudy, with a high near 42. Breezy, with an east wind 20 to 24 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
Last Update:
4:52 am EDT Mar 28, 2026
Forecast Valid:
9am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation