Olean Weather Forecast

    • 55
    • 77

    Partly Sunny

    • 54
    • 77

    Rain Showers

    • 50
    • 77

    Partly Sunny

    • 55
    • 80

    Mostly Sunny

    • 56
    • 79

    Rain Showers Likely

    • 52
    • 75

    Rain Showers Likely

Today 18 Aug Cattaraugus

Areas of fog Early, otherwise mostly sunny. Highs in the mid 70s. Light northwest Winds.

Tonight 18 Aug Cattaraugus

Partly cloudy. Lows in the upper 50s. Light southwest Winds.

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Olean Temperature Statistics

August Temperature

Bradford Regional Airport (22.4 miles)

  • Lowest 4 August, 2026

    45.6 °F

  • Average August

    68 °F

  • Highest 5 August, 2026

    82.7 °F

Climate (2021–2026)

Bradford Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    58.3 °F
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