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 58%
Wind Speed N 10 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 5 Feb 12:53 pm EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 31. Northwest wind around 7 mph.

    High: 31 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. Northeast wind 6 to 8 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 30. Northeast wind 7 to 10 mph.

    High: 30 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of snow after 2am. Cloudy, with a low around 25. North wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 10am. Cloudy, with a high near 30. Blustery, with a light north wind increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 30 °F

    Snow Likely
    and Blustery

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Cloudy, with a low around 13. Windy, with a north wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow Likely
    and Windy

  • Sunday

    Sunday: Mostly cloudy, with a high near 20. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 32 mph.

    High: 20 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Northwest wind 14 to 16 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Northwest wind 11 to 13 mph.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 31. Northwest wind around 7 mph.
Tonight
Increasing clouds, with a low around 25. Northeast wind 6 to 8 mph.
Friday
Mostly cloudy, with a high near 30. Northeast wind 7 to 10 mph.
Friday Night
A slight chance of snow after 2am. Cloudy, with a low around 25. North wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
Snow likely, mainly after 10am. Cloudy, with a high near 30. Blustery, with a light north wind increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
Snow likely, mainly before midnight. Cloudy, with a low around 13. Windy, with a north wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday
Mostly cloudy, with a high near 20. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Mostly cloudy, with a low around 13. Northwest wind 14 to 16 mph.
Monday
Mostly sunny, with a high near 26. Northwest wind 11 to 13 mph.
Monday Night
Partly cloudy, with a low around 20. Northwest wind 11 to 13 mph.
Tuesday
Mostly sunny, with a high near 30. Northwest wind around 11 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 34. Northwest wind 9 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
11:21 am EST Feb 5, 2026
Forecast Valid:
2pm EST Feb 5, 2026-6pm EST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation