Olean Weather Forecast

    • 60
    • 78

    Thunderstorms Likely

    • 50
    • 75

    Chance Thunderstorms

    • 56
    • 74

    Chance Rain Showers

    • 62
    • 78

    Rain Showers Likely

    • 61
    • 82

    Rain Showers Likely

    • 50
    • 74

    Chance Thunderstorms

Today 25 May Cattaraugus

Mostly cloudy. Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Some patchy fog developing late. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall through the early overnight. Warm with Lows around 60. Southwest Winds 10 Mph or Less, becoming west. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olean Temperature Statistics

May Temperature

Bradford Regional Airport (22.4 miles)

  • Lowest 15 May, 2019

    30 °F

  • Average May

    54.5 °F

  • Highest 19 May, 2019

    82.9 °F

Climate (2010–Present)

Bradford Regional Airport (22.4 miles)

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  • Average Low 2010–Present

    36.1 °F

  • Average 2010–Present

    45.3 °F

  • Average High 2010–Present

    54.4 °F
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