Wyandanch, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wyandanch, a community in Suffolk County, New York.
Tonight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. North wind 3 to 9 mph.
7-day forecast for Wyandanch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Partly Cloudy | 3 to 9 mph N | 0% |
| Saturday | 70°F | Mostly Sunny | 10 mph E | 0% |
| Saturday Night | 59°F | Mostly Cloudy | 3 to 8 mph SE | 4% |
| Sunday | 72°F | Showers And Thunderstorms | 7 to 15 mph S | 77% |
| Sunday Night | 60°F | Showers And Thunderstorms | 7 to 13 mph W | 90% |
| Monday | 69°F | Rain Showers Likely | 12 to 15 mph NE | 60% |
| Monday Night | 56°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Tuesday | 66°F | Chance Rain Showers | 15 to 18 mph NE | 27% |
| Tuesday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 17 mph NE | 27% |
| Wednesday | 66°F | Slight Chance Rain Showers | 20 mph NE | 18% |
| Wednesday Night | 54°F | Chance Rain Showers | 18 mph NE | 36% |
| Thursday | 65°F | Chance Rain Showers | 20 mph NE | 36% |
| Thursday Night | 53°F | Chance Rain Showers | 13 to 20 mph NE | 36% |
| Friday | 68°F | Chance Rain Showers | 16 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov) for Wyandanch (40.749, -73.364). Updated through the day.
Growing snapshot for Wyandanch
Last spring frost
Apr 6
First fall frost
Nov 6
Growing season
213 days
Hardiness zone
7b
More local growing data for Wyandanch: nearby ZIP 11798 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Farmingdale Ap, Ny (2.4 mi from Wyandanch). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.