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

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

  • Today

    Today: Sunny, with a high near 35. Breezy, with a west wind 18 to 24 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as -4. Windy, with a northwest wind 25 to 28 mph.

    Low: 13 °F

    Decreasing
    Clouds and
    Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 20. Wind chill values as low as -6. Blustery, with a northwest wind 15 to 23 mph.

    High: 20 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 10am. The snow could be heavy at times. High near 34. North wind 8 to 18 mph becoming east in the afternoon. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday Night

    Sunday Night: Snow before midnight, then sleet between midnight and 1am, then rain and sleet after 1am. The snow could be heavy at times. Low around 28. Windy, with an east wind 28 to 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Windy. Heavy
    Snow then
    Rain/Sleet

  • Monday

    Monday: Rain and snow, becoming all snow after 8am. High near 36. Windy, with a northeast wind 22 to 29 mph. Chance of precipitation is 80%.

    High: 36 °F

    Rain/Snow and
    Windy then
    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 19. Windy, with a northwest wind 30 to 34 mph. Chance of precipitation is 70%.

    Low: 19 °F

    Snow Likely
    and Windy

  • Tuesday

    Tuesday: A chance of snow before 8am. Mostly sunny, with a high near 27. Windy, with a northwest wind 21 to 30 mph. Chance of precipitation is 30%.

    High: 27 °F

    Chance Snow
    and Windy
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 35. Breezy, with a west wind 18 to 24 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as -4. Windy, with a northwest wind 25 to 28 mph.
Saturday
Mostly sunny, with a high near 20. Wind chill values as low as -6. Blustery, with a northwest wind 15 to 23 mph.
Saturday Night
Mostly cloudy, with a low around 17. Northwest wind 10 to 14 mph.
Sunday
Snow, mainly after 10am. The snow could be heavy at times. High near 34. North wind 8 to 18 mph becoming east in the afternoon. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Snow before midnight, then sleet between midnight and 1am, then rain and sleet after 1am. The snow could be heavy at times. Low around 28. Windy, with an east wind 28 to 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 5 inches possible.
Monday
Rain and snow, becoming all snow after 8am. High near 36. Windy, with a northeast wind 22 to 29 mph. Chance of precipitation is 80%.
Monday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 19. Windy, with a northwest wind 30 to 34 mph. Chance of precipitation is 70%.
Tuesday
A chance of snow before 8am. Mostly sunny, with a high near 27. Windy, with a northwest wind 21 to 30 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 20. Breezy, with a west wind 21 to 24 mph.
Wednesday
Mostly sunny, with a high near 27. West wind 15 to 18 mph.
Wednesday Night
Mostly cloudy, with a low around 20. Northwest wind around 15 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 27. Northwest wind 14 to 17 mph. Chance of precipitation is 30%.
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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:
8:57 am EST Jan 23, 2026
Forecast Valid:
9am EST Jan 23, 2026-6pm EST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation