Olean Weather Forecast

    • 65
    • 87

    Thunderstorms

    • 66
    • 91

    Mostly Sunny

    • 63
    • 88

    Chance Thunderstorms

    • 60
    • 83

    Slight Chance Thunderstorms

    • 61
    • 83

    Slight Chance Thunderstorms

    • 62
    • 83

    Chance Thunderstorms

Today 5 Jul Cattaraugus

Partly sunny. Scattered Thunderstorms with a chance of Showers late. Highs in the mid 80s. Light west Winds. Chance of rain 40 percent.

Tonight 5 Jul Cattaraugus

Partly cloudy with scattered Thunderstorms with a chance of Showers Early, then partly cloudy from late evening on. Warm with Lows in the mid 60s. Light south Winds. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olean Temperature Statistics

July Temperature

Bradford Regional Airport (22.4 miles)

  • Lowest 3 July, 2025

    54 °F

  • Average July

    68.9 °F

  • Highest 2 July, 2025

    79 °F

Climate (2020–Present)

Bradford Regional Airport (22.4 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    58.6 °F
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