Olean Weather Forecast

    • 27
    • 47

    Slight Chance Rain Showers

    • 27
    • 60

    Sunny

    • 30
    • 67

    Mostly Sunny

    • 33
    • 67

    Mostly Sunny

    • 33
    • 66

    Mostly Sunny

    • 37
    • 67

    Partly Sunny

Today 17 Oct Cattaraugus

Becoming mostly sunny. Cool with Highs in the mid 40s. North Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph.

Tonight 17 Oct Cattaraugus

Mainly clear. Lows in the upper 20s. Light southwest Winds.

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Olean Temperature Statistics

October Temperature

Bradford Regional Airport (22.4 miles)

  • Lowest 6 October, 2026

    29.6 °F

  • Average October

    54.4 °F

  • Highest 13 October, 2026

    79.6 °F

Climate (2021–2026)

Bradford Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    58.3 °F
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