Wyandanch, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wyandanch, a community in Suffolk County, New York.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind 3 to 7 mph.
7-day forecast for Wyandanch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 3 to 7 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 2 to 6 mph E | 5% |
| Wednesday | 83°F | Partly Sunny then Slight Chance Rain Showers | 2 to 8 mph SE | 15% |
| Wednesday Night | 72°F | Slight Chance Rain Showers | 7 mph S | 21% |
| Thursday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 13 mph S | 15% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 13 mph SW | 23% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 23% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 34% |
| Saturday | 88°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 30% |
| Sunday | 89°F | Mostly Sunny | 5 to 9 mph SW | 11% |
| Sunday Night | 73°F | Mostly Clear | 5 to 8 mph SW | 11% |
| Monday | 90°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Monday Night | 72°F | Slight Chance Rain Showers | 6 to 9 mph W | 18% |
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 Aug 4, 2026.