Sinclairville, NY Weather & Growing Conditions
Today
70°F
Partly Sunny
Partly sunny, with a high near 70. Southeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Partly Sunny | 6 mph SE | 8% |
| Tonight | 56°F | Showers And Thunderstorms | 7 mph SE | 80% |
| Sunday | 66°F | Showers And Thunderstorms | 5 to 12 mph W | 88% |
| Sunday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 12 mph NE | 18% |
| Monday | 62°F | Mostly Cloudy | 8 to 13 mph NE | 2% |
| Monday Night | 44°F | Mostly Cloudy then Chance Rain Showers | 8 to 12 mph NE | 28% |
| Tuesday | 62°F | Chance Rain Showers | 8 to 13 mph E | 28% |
| Tuesday Night | 44°F | Chance Rain Showers | 9 to 13 mph E | 38% |
| Wednesday | 61°F | Chance Rain Showers | 12 mph E | 38% |
| Wednesday Night | 45°F | Chance Showers And Thunderstorms | 8 to 12 mph SE | 43% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 9 mph E | 43% |
| Thursday Night | 45°F | Chance Rain Showers | 5 to 9 mph E | 30% |
| Friday | 65°F | Partly Sunny | 5 to 10 mph NE | 14% |
| Friday Night | 45°F | Partly Cloudy | 3 to 9 mph NE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sinclairville, NY
Last spring frost
May 8
First fall frost
Oct 13
Growing season
158 days
Hardiness zone
6a
Explore more for Sinclairville, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Jamestown 4 Ene, Ny (11.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.