Olean Weather Forecast

    • 21
    • 39

    Slight Chance Snow Showers

    • 43
    • 54

    Chance Rain Showers

    • 39
    • 66

    Partly Sunny

    • 46
    • 72

    Partly Sunny

    • 49
    • 75

    Rain Showers Likely

    • 44
    • 67

    Rain Showers Likely

Today 20 Apr Cattaraugus

Mostly cloudy with a chance of snow Showers in the Morning, then partly sunny in the afternoon. Cold with Highs in the mid 30s. Northwest Winds 5 to 10 Mph. Chance of snow 40 percent.

Tonight 20 Apr Cattaraugus

Becoming mainly clear. Cold with Lows 20 to 25. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olean Temperature Statistics

April Temperature

Bradford Regional Airport (22.4 miles)

  • Lowest 8 April, 2026

    11.6 °F

  • Average April

    51.6 °F

  • Highest 4 April, 2026

    77.6 °F

Climate (2021–Present)

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

    58.4 °F
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