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Hazardous Weather Conditions
Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Light Rain Fog/Mist
33°F
1°C
| Humidity | 96% |
| Wind Speed | N 12 mph |
| Barometer | 29.68 in (1005.2 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 4.00 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 21 Feb 3:53 am EST |
Extended Forecast for
2 Miles ENE Siasconset MA
Winter Storm Watch February 22, 01:00pm until February 24, 07:00am
Coastal Flood Watch February 23, 01:00am until February 24, 07:00am
Overnight

Low: 33 °F
Chance
Rain/SnowSaturday
High: 35 °F
Chance
Rain/Snow
then CloudySaturday Night

Low: 29 °F
Mostly Cloudy
Sunday
High: 36 °F
Mostly Cloudy
then Slight
Chance SnowSunday Night

Low: 31 °F
Rain/Snow and
WindyMonday

High: 36 °F
Rain/Snow and
WindyMonday Night
Low: 25 °F
Heavy Snow
and Windy
then Chance
Snow and
BlusteryTuesday

High: 32 °F
Mostly Sunny
Tuesday Night

Low: 23 °F
Partly Cloudy
Detailed Forecast
Overnight
A chance of rain showers before 5am, then a chance of rain and snow showers. Cloudy, with a low around 33. North wind around 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A slight chance of rain and snow showers before 9am, then a chance of snow showers between 9am and noon. Cloudy, with a high near 35. North wind 8 to 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 29. North wind around 6 mph.
Sunday
A slight chance of snow after 4pm. Cloudy, with a high near 36. East wind 7 to 13 mph. Chance of precipitation is 20%.
Sunday Night
A chance of snow before 10pm, then rain, possibly mixed with snow. Low around 31. Windy, with an east wind 17 to 22 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow, possibly mixed with rain. High near 36. Windy, with a northeast wind 36 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday Night
Snow, mainly before 11pm. The snow could be heavy at times. Low around 25. Windy, with a northwest wind 25 to 30 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 32. West wind 10 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 23. West wind around 10 mph.
Wednesday
A chance of rain after 3pm. Mostly cloudy, with a high near 39. West wind 8 to 11 mph becoming south in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Southwest wind around 11 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 41. Southwest wind 11 to 15 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 31. Southwest wind 10 to 13 mph. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 39. West wind 9 to 11 mph. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Siasconset MA
41.28°N 69.97°W (Elev. 56 ft)
41.28°N 69.97°W (Elev. 56 ft)
3:33 am EST Feb 21, 2026
4am EST Feb 21, 2026-6pm EST Feb 27, 2026



