Olean Weather Forecast

    • 57
    • 69

    Chance Thunderstorms

    • 52
    • 78

    Thunderstorms Likely

    • 53
    • 67

    Slight Chance Rain Showers

    • 59
    • 79

    Rain Showers Likely

    • 52
    • 75

    Chance Rain Showers

    • 52
    • 73

    Chance Rain Showers

    • 54
    • 74

    Chance Thunderstorms

Today 22 May Cattaraugus

Mostly cloudy through the early Overnight, then becoming partly cloudy. Scattered Showers Early, then scattered Showers with a chance of Thunderstorms through the early overnight. Mild with Lows in the upper 50s. Southeast Winds 5 to 10 Mph, becoming south. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Olean Temperature Statistics

May Temperature

Bradford Regional Airport (22.4 miles)

  • Lowest 15 May, 2019

    30 °F
  • Average May

    54.4 °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 °F
  • Average 2010–Present

    45.2 °F
  • Average High 2010–Present

    54.4 °F
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