Olean Weather Forecast

    • 35
    • 45

    Rain Likely

    • 33
    • 54

    Rain

    • 28
    • 46

    Rain

    • 21
    • 34

    Snow Likely

    • 25
    • 33

    Mostly Cloudy

    • 30
    • 38

    Chance Rain/Snow

Today 8 Jan Cattaraugus

Sunny. Highs in the lower 40s. South Winds 5 to 10 Mph, becoming light.

Tonight 8 Jan Cattaraugus

Mostly cloudy. A chance of rain Showers overnight. Lows in the mid 30s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olean Temperature Statistics

January Temperature

Bradford Regional Airport (22.4 miles)

  • Lowest 1 January, 2026

    9 °F

  • Average January

    23.1 °F

  • Highest 6 January, 2026

    43 °F

Climate (2021–Present)

Bradford Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    58.4 °F
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