Olean, NY Weather & Growing Conditions
Today
70°F
Partly Sunny
Partly sunny, with a high near 70. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Partly Sunny | 5 mph SE | 1% |
| Tonight | 54°F | Rain Showers Likely | 5 mph SE | 65% |
| Sunday | 68°F | Showers And Thunderstorms | 3 to 7 mph SW | 92% |
| Sunday Night | 42°F | Chance Rain Showers then Mostly Cloudy | 3 to 7 mph NE | 38% |
| Monday | 62°F | Mostly Cloudy | 8 mph NE | 2% |
| Monday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 3 to 8 mph NE | 37% |
| Tuesday | 60°F | Chance Rain Showers | 5 to 8 mph E | 37% |
| Tuesday Night | 40°F | Chance Rain Showers | 5 to 8 mph E | 35% |
| Wednesday | 58°F | Chance Rain Showers | 8 mph E | 35% |
| Wednesday Night | 42°F | Chance Rain Showers | 5 to 8 mph SE | 43% |
| Thursday | 62°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph E | 43% |
| Thursday Night | 41°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph NE | 19% |
| Friday | 65°F | Slight Chance Rain Showers | 1 to 7 mph NE | 15% |
| Friday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 7 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Olean, NY
Last spring frost
May 7
First fall frost
Oct 11
Growing season
156 days
Hardiness zone
5b
Explore more for Olean, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Olean, Ny (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.