Weather World
City of Olean, NYOlean, NY 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Olean, NY Weather Forecast
Olean, NY Weather Forecast Date: 400 PM EDT Tue Sep 08 2026
The area/counties/county of: Cattaraugus, including the city of Olean.or toggle through each period.
Tonight... Mostly cloudy and warm with lows in the lower 60s. Light south winds.
Wednesday... Partly sunny. A chance of showers and thunderstorms in the afternoon. Warm with highs in the lower 80s. South winds 5 to 10 mph, becoming southwest 10 to 15 mph. Chance of rain 40%.
Wednesday Night... Showers with a chance of thunderstorms in the evening, then showers likely overnight. Warm and muggy with lows in the mid 60s. Southwest winds 10 to 15 mph, becoming light. Chance of rain near 100%.
Thursday... Mostly cloudy with a 30% chance of showers. Highs in the lower 70s. West winds 10 mph or less.
Thursday Night... Mostly cloudy in the evening, then clearing. Cooler with lows around 50. Light winds.
Friday... Sunny. Highs in the upper 60s.
Friday Night... Mainly clear. Lows around 50.
Saturday... Mostly sunny. Highs in the upper 70s.
Saturday Night... Mostly cloudy with a 30% chance of showers. Lows in the lower 60s.
Sunday... Mostly cloudy with a 50% chance of showers. Highs in the mid 70s.
Sunday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s.
Monday... Partly sunny with a 30% chance of showers. Highs in the lower 70s.
Monday Night... Mostly cloudy with a 30% chance of showers. Lows in the upper 50s.
POP = Probability of Precipitation
Olean Radar Loop
Use the map search tool if you want to place a location marker on the radar map...