Olean Weather Forecast
- 40
- 56
Decreasing Clouds
- 51
- 61
Rain Showers Likely
- 48
- 73
Rain Showers
- 34
- 60
Chance Rain/Snow
- 41
- 57
Rain/Snow Likely
- 47
- 61
Rain Showers Likely
Today 29 Mar Cattaraugus
Cloudy. Highs in the lower 50s. Light Winds, becoming southwest 5 to 10 Mph.
Tonight 29 Mar Cattaraugus
Mostly cloudy in the Evening, then becoming partly cloudy. Not as cold with Lows around 40. Southwest Winds 10 Mph or less.
Olean Temperature Statistics
March Temperature
Bradford Regional Airport (22.4 miles)
Lowest 2 March, 2026
6.7 °FAverage March
38.9 °FHighest 7 March, 2026
72.6 °F
Climate (2021–Present)
Bradford Regional Airport (22.4 miles)
Average Low 2021–2026
38.8 °FAverage 2021–2026
48.6 °FAverage High 2021–2026
58.3 °F