National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

38°F

3°C

Humidity 76%
Wind Speed SW 12 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 22 Jan 6:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

Winter Storm Watch January 25, 07:00am until January 26, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind 16 to 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36. Breezy, with a west wind 16 to 23 mph.

    High: 36 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14. Wind chill values as low as -2. Windy, with a northwest wind 24 to 26 mph, with gusts as high as 37 mph.

    Low: 14 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 20. Wind chill values as low as -4. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph.

    High: 20 °F

    Mostly Sunny
    and Blustery
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 5am. Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow, mainly after 9am. The snow could be heavy at times. High near 33. North wind 9 to 18 mph becoming east in the afternoon. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    High: 33 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow before midnight, then rain and snow. The snow could be heavy at times. Low around 28. Breezy, with an east wind 22 to 25 mph. Chance of precipitation is 100%.

    Low: 28 °F

    Breezy. Heavy
    Snow then
    Rain/Snow

  • Monday

    Monday: Rain and snow, becoming all snow after 4pm. High near 35. Breezy, with a northeast wind around 21 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 35 °F

    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 19. Blustery, with a northwest wind 23 to 25 mph. Chance of precipitation is 50%.

    Low: 19 °F

    Chance Snow
    and Blustery

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. West wind 16 to 18 mph.
Friday
Mostly sunny, with a high near 36. Breezy, with a west wind 16 to 23 mph.
Friday Night
Partly cloudy, with a low around 14. Wind chill values as low as -2. Windy, with a northwest wind 24 to 26 mph, with gusts as high as 37 mph.
Saturday
Mostly sunny, with a high near 20. Wind chill values as low as -4. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph.
Saturday Night
A chance of snow, mainly after 5am. Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow, mainly after 9am. The snow could be heavy at times. High near 33. North wind 9 to 18 mph becoming east in the afternoon. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow before midnight, then rain and snow. The snow could be heavy at times. Low around 28. Breezy, with an east wind 22 to 25 mph. Chance of precipitation is 100%.
Monday
Rain and snow, becoming all snow after 4pm. High near 35. Breezy, with a northeast wind around 21 mph becoming north in the afternoon. Chance of precipitation is 80%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 19. Blustery, with a northwest wind 23 to 25 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 26. Blustery, with a northwest wind 20 to 22 mph.
Tuesday Night
Partly cloudy, with a low around 20. Breezy, with a west wind 18 to 22 mph.
Wednesday
Mostly sunny, with a high near 28. West wind around 16 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 21. West wind around 15 mph. Chance of precipitation is 30%.
Thursday
A chance of snow. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 16 to 20 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
3:06 pm EST Jan 22, 2026
Forecast Valid:
7pm EST Jan 22, 2026-6pm EST Jan 29, 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