Harman US

Olean, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Olean, a city in Cattaraugus County, New York.

This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. South wind around 5 mph.

7-day forecast for Olean

WhenTempForecastWindPrecip
This Afternoon 73°F Mostly Sunny 5 mph S 4%
Tonight 48°F Partly Cloudy 3 to 7 mph S 3%
Wednesday 75°F Mostly Sunny 5 to 10 mph S 0%
Wednesday Night 57°F Rain Showers 9 mph S 94%
Thursday 69°F Rain Showers 7 to 12 mph SW 94%
Thursday Night 45°F Mostly Cloudy 0 to 5 mph W 13%
Friday 64°F Chance Rain Showers 0 to 3 mph W 25%
Friday Night 40°F Chance Rain Showers 2 mph NW 36%
Saturday 54°F Chance Rain Showers 1 to 8 mph NW 44%
Saturday Night 32°F Chance Rain Showers 2 to 6 mph W 44%
Sunday 53°F Partly Sunny 2 to 8 mph W 13%
Sunday Night 30°F Chance Rain Showers 6 mph W 30%
Monday 53°F Chance Rain Showers 5 to 10 mph W 36%
Monday Night 31°F Chance Rain Showers 7 mph SW 36%

Forecast source: National Weather Service (api.weather.gov) for Olean (42.084, -78.435). Updated through the day.

Growing snapshot for Olean

Last spring frost
May 7
First fall frost
Oct 11
Growing season
156 days
Hardiness zone
5b

More local growing data for Olean: nearby ZIP 14760 weather · frost dates · planting calendar · New York frost dates

Nearby towns & communities

All New York locations ›

Climate data from the nearest NOAA station, Olean, Ny (1.8 mi from Olean). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.