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Hazardous Weather Conditions
Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Fair and Breezy
15°F
-9°C
| Humidity | 36% |
| Wind Speed | NW 23 G 40 mph |
| Barometer | 30.33 in (1027.0 mb) |
| Dewpoint | -7°F (-22°C) |
| Visibility | 10.00 mi |
| Wind Chill | -3°F (-19°C) |
| Last update | 24 Jan 2:53 am EST |
Extended Forecast for
3 Miles NNE Siasconset MA
Cold Weather Advisory January 24, 03:23am until January 24, 10:00am
Winter Storm Warning January 25, 07:00am until January 26, 08:00pm
NOW until 10:00am Sat

Cold Weather Advisory
Overnight

Low: 13 °F
Partly Cloudy
and WindySaturday
High: 19 °F
Partly Sunny
and Blustery
then Mostly
SunnySaturday Night

Low: 17 °F
Increasing
CloudsSunday
High: 36 °F
Snow Likely
then Heavy
Snow and
Areas
Freezing FogSunday Night
Low: 29 °F
Windy. Heavy
Snow then
Rain/SleetMonday

High: 38 °F
Wintry Mix
and BreezyMonday Night

Low: 18 °F
Snow Likely
and WindyTuesday
High: 25 °F
Chance Snow
and Windy
then Partly
Sunny and
Breezy
Detailed Forecast
Overnight
Partly cloudy, with a low around 13. Wind chill values as low as -5. Windy, with a northwest wind around 26 mph.
Saturday
Mostly sunny, with a high near 19. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 23 mph.
Saturday Night
Increasing clouds, with a low around 17. Northwest wind 9 to 14 mph.
Sunday
Snow. The snow could be heavy at times. Areas of fog after 3pm. Areas of freezing fog between 2pm and 3pm. High near 36. North wind 7 to 17 mph becoming east in the afternoon. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow before midnight, then rain and sleet. The snow could be heavy at times. Low around 29. Windy, with an east wind 25 to 31 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Rain and sleet before 11am, then rain likely between 11am and 2pm, then a chance of snow after 2pm. High near 38. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.
Monday Night
Snow likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 18. Windy, with a northwest wind 22 to 30 mph. Chance of precipitation is 60%.
Tuesday
A chance of snow before 9am. Partly sunny, with a high near 25. Windy, with a northwest wind 21 to 29 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 20. Breezy, with a west wind 20 to 24 mph.
Wednesday
Mostly sunny, with a high near 25. Breezy, with a west wind 16 to 20 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Northwest wind 13 to 16 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 26. Northwest wind 11 to 15 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 18 to 22 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Partly sunny, with a high near 26. Blustery, with a northwest wind 20 to 22 mph. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Siasconset MA
41.33°N 69.98°W (Elev. 0 ft)
41.33°N 69.98°W (Elev. 0 ft)
12:27 am EST Jan 24, 2026
3am EST Jan 24, 2026-6pm EST Jan 30, 2026



