Olean Weather Forecast
- 41
- 70
Rain Showers
- 40
- 55
Partly Sunny
- 46
- 64
Mostly Sunny
- 52
- 65
Rain Showers
- 27
- 65
Rain Showers
- 23
- 37
Chance Snow Showers
Today 7 Mar Cattaraugus
Partly sunny with a chance of Showers through early Afternoon, then mostly cloudy with Showers with a chance of Thunderstorms late. Patchy fog late. Warm with Highs in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming southwest. Chance of rain 90 percent.
Tonight 7 Mar Cattaraugus
Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers overnight. Some patchy fog developing. Lows in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west 5 to 10 Mph. Chance of rain 80 percent.
Olean Temperature Statistics
March Temperature
Bradford Regional Airport (22.4 miles)
Lowest 2 March, 2026
6.1 °FAverage March
27.7 °FHighest 4 March, 2026
53.1 °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