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

25°F

-4°C

Humidity 78%
Wind Speed NW 6 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 4 Feb 6:53 am EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • Today

    Today: Sunny, with a high near 32. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 22. Northwest wind 6 to 13 mph.

    Low: 22 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 32. Northwest wind 6 to 10 mph.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. Northeast wind 7 to 9 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. Northeast wind 6 to 8 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 25. Southwest wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 8am. Cloudy, with a high near 29. Blustery, with a west wind 10 to 15 mph becoming north 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%.

    High: 29 °F

    Snow Likely
    and Blustery

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 13. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 60%.

    Low: 13 °F

    Snow Likely
    and Windy

  • Sunday

    Sunday: Partly sunny, with a high near 20. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 34 mph.

    High: 20 °F

    Partly Sunny
    and Blustery
    then Partly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 32. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.
Tonight
Increasing clouds, with a low around 22. Northwest wind 6 to 13 mph.
Thursday
Sunny, with a high near 32. Northwest wind 6 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 23. Northeast wind 7 to 9 mph.
Friday
Mostly cloudy, with a high near 31. Northeast wind 6 to 8 mph.
Friday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 25. Southwest wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
Snow likely, mainly after 8am. Cloudy, with a high near 29. Blustery, with a west wind 10 to 15 mph becoming north 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 13. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 20. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 14. Northwest wind 13 to 15 mph.
Monday
Mostly sunny, with a high near 24. Northwest wind around 13 mph.
Monday Night
Mostly cloudy, with a low around 19. Northwest wind around 14 mph.
Tuesday
Mostly sunny, with a high near 31. Northwest wind 11 to 13 mph.
Basemap Options
Click map to change the forecast location
Loading map...
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:
6:08 am EST Feb 4, 2026
Forecast Valid:
7am EST Feb 4, 2026-6pm EST Feb 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation