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

29°F

-2°C

Humidity 61%
Wind Speed SW 10 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 10 Feb 1:53 pm EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 31. Southwest wind around 6 mph.

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: Rain and snow likely before 1am, then rain. Low around 30. South wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then Rain

  • Wednesday

    Wednesday: A chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 36. West wind 10 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 36 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West wind around 14 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32. Northwest wind 11 to 15 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Northwest wind around 11 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. Northwest wind 8 to 11 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. West wind around 11 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. West wind 11 to 14 mph.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 31. Southwest wind around 6 mph.
Tonight
Rain and snow likely before 1am, then rain. Low around 30. South wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 36. West wind 10 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 25. West wind around 14 mph.
Thursday
Partly sunny, with a high near 32. Northwest wind 11 to 15 mph.
Thursday Night
Partly cloudy, with a low around 24. Northwest wind around 11 mph.
Friday
Sunny, with a high near 33. Northwest wind 8 to 11 mph.
Friday Night
Partly cloudy, with a low around 27. West wind around 11 mph.
Saturday
Mostly sunny, with a high near 34. West wind 11 to 14 mph.
Saturday Night
Partly cloudy, with a low around 28. Northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 36. Northwest wind 7 to 9 mph becoming northeast in the afternoon.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 31. East wind 6 to 10 mph. Chance of precipitation is 30%.
Washington's Birthday
A chance of rain. Mostly cloudy, with a high near 38. East wind 10 to 14 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
2:21 pm EST Feb 10, 2026
Forecast Valid:
2pm EST Feb 10, 2026-6pm EST Feb 16, 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