Terryville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Terryville, a community in Suffolk County, New York.
Overnight
66°F
Partly Cloudy
Partly cloudy, with a low around 66. North wind around 5 mph.
7-day forecast for Terryville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Partly Cloudy | 5 mph N | 0% |
| Tuesday | 83°F | Mostly Sunny | 2 to 6 mph NE | 0% |
| Tuesday Night | 65°F | Mostly Cloudy | 5 mph E | 6% |
| Wednesday | 83°F | Partly Sunny | 2 to 7 mph SE | 9% |
| Wednesday Night | 71°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph S | 19% |
| Thursday | 87°F | Mostly Sunny | 5 to 12 mph SW | 12% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 to 12 mph SW | 19% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 19% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 30% |
| Saturday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 23% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 8 mph SW | 25% |
| Sunday | 87°F | Mostly Sunny | 5 to 8 mph SW | 14% |
| Sunday Night | 72°F | Mostly Clear | 5 to 8 mph SW | 10% |
| Monday | 89°F | Sunny | 5 to 10 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov) for Terryville (40.909, -73.049). Updated through the day.
Growing snapshot for Terryville
Last spring frost
Apr 4
First fall frost
Nov 7
Growing season
215 days
Hardiness zone
7b
More local growing data for Terryville: nearby ZIP 11776 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Mt Sinai, Ny (1.9 mi from Terryville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.