Olean Weather Forecast

    • 50
    • 72

    Becoming Sunny

    • 51
    • 71

    Partly Sunny

    • 52
    • 75

    Mostly Cloudy

    • 52
    • 71

    Rain Showers Likely

    • 52
    • 73

    Partly Sunny

    • 52
    • 74

    Chance Rain Showers

Today 19 Jun Cattaraugus

Mostly sunny through early Afternoon, then partly sunny with a chance of Showers late. Highs in the upper 60s. West Winds 5 to 10 Mph, increasing to 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 19 Jun Cattaraugus

Becoming mainly clear. Lows around 50. West Winds 10 to 15 Mph, becoming light.

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Olean Temperature Statistics

June Temperature

Bradford Regional Airport (22.4 miles)

  • Lowest 16 June, 2026

    37 °F

  • Average June

    62.7 °F

  • Highest 11 June, 2026

    84.7 °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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