Olean Weather Forecast
- 23
- 31
Snow Showers
- 26
- 34
Slight Chance Snow Showers
- 32
- 40
Mostly Cloudy
- 14
- 39
Rain/Snow Likely
- 12
- 22
Chance Snow Showers
- 19
- 28
Chance Snow Showers
Today 11 Jan Cattaraugus
Lake effect snow Showers. Patchy blowing snow in the afternoon. Accumulation 1 to 3 Inches in the most persistent Snows. Highs in the upper 20s. Southwest Winds 10 to 20 Mph with Gusts up to 35 Mph, becoming west. Chance of snow near 100 percent.
Tonight 11 Jan Cattaraugus
Patchy lake effect snow Showers Likely, with blowing snow in the evening. Additional accumulation 1 to 2 Inches possible in the most persistent Snows. Near steady Temperatures in the lower 20s. West Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of snow 70 percent.
Olean Temperature Statistics
January Temperature
Bradford Regional Airport (22.4 miles)
Lowest 1 January, 2026
9 °FAverage January
26.7 °FHighest 8 January, 2026
45 °F
Climate (2021–Present)
Bradford Regional Airport (22.4 miles)
Average Low 2021–2026
39 °FAverage 2021–2026
48.7 °FAverage High 2021–2026
58.4 °F