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

32°F

0°C

Humidity 52%
Wind Speed NW 13 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 23 Jan 8:53 am EST
Extended Forecast for

2 Miles ENE Siasconset MA

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

  • Today

    Today: Sunny, with a high near 35. West wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Wind chill values as low as -4. Blustery, with a northwest wind around 21 mph, with gusts as high as 32 mph.

    Low: 11 °F

    Decreasing
    Clouds and
    Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Wind chill values as low as -6. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Northwest wind 8 to 10 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 10am. The snow could be heavy at times. High near 33. North wind 7 to 14 mph becoming east in the afternoon. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 33 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then rain and sleet between 1am and 4am, then rain after 4am. The snow could be heavy at times. Low around 27. Breezy, with an east wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Breezy. Heavy
    Snow then
    Rain/Sleet

  • Monday

    Monday: Rain, snow, and sleet before 7am, then rain and snow between 7am and 9am, then snow likely after 9am. High near 36. North wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 36 °F

    Wintry Mix
    then Snow
    Likely

  • Monday Night

    Monday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.

    Low: 18 °F

    Snow Likely
    and Blustery

  • Tuesday

    Tuesday: A chance of snow before 8am. Mostly sunny, with a high near 27. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 27 °F

    Chance Snow
    and Blustery
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 35. West wind 15 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Wind chill values as low as -4. Blustery, with a northwest wind around 21 mph, with gusts as high as 32 mph.
Saturday
Mostly sunny, with a high near 19. Wind chill values as low as -6. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.
Saturday Night
Mostly cloudy, with a low around 15. Northwest wind 8 to 10 mph.
Sunday
Snow, mainly after 10am. The snow could be heavy at times. High near 33. North wind 7 to 14 mph becoming east in the afternoon. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Rain and snow before 1am, then rain and sleet between 1am and 4am, then rain after 4am. The snow could be heavy at times. Low around 27. Breezy, with an east wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 5 inches possible.
Monday
Rain, snow, and sleet before 7am, then rain and snow between 7am and 9am, then snow likely after 9am. High near 36. North wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Monday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Tuesday
A chance of snow before 8am. Mostly sunny, with a high near 27. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 19. West wind 15 to 18 mph.
Wednesday
Mostly sunny, with a high near 27. West wind around 14 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Northwest wind around 11 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 28. Northwest wind 10 to 14 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:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
8:57 am EST Jan 23, 2026
Forecast Valid:
9am EST Jan 23, 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