Terryville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Terryville, a community in Suffolk County, New York.
Overnight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. Northeast wind around 12 mph.
7-day forecast for Terryville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Partly Cloudy | 12 mph NE | 0% |
| Saturday | 68°F | Mostly Sunny | 8 to 12 mph E | 0% |
| Saturday Night | 56°F | Partly Cloudy | 5 to 8 mph SE | 2% |
| Sunday | 70°F | Showers And Thunderstorms | 6 to 14 mph SE | 81% |
| Sunday Night | 59°F | Showers And Thunderstorms | 6 to 14 mph SW | 90% |
| Monday | 68°F | Rain Showers Likely | 12 to 15 mph NE | 61% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 16 mph NE | 26% |
| Tuesday | 64°F | Chance Rain Showers | 18 mph NE | 26% |
| Tuesday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 18 mph NE | 26% |
| Wednesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 21 mph NE | 15% |
| Wednesday Night | 53°F | Chance Rain Showers | 20 mph NE | 35% |
| Thursday | 64°F | Chance Rain Showers | 21 mph NE | 36% |
| Thursday Night | 53°F | Chance Rain Showers | 15 to 20 mph NE | 36% |
| Friday | 67°F | Chance Rain Showers | 17 mph N | 35% |
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 Sep 19, 2026.