Olean Weather Forecast

    • 61
    • 80

    Rain Showers

    • 55
    • 81

    Rain Showers Likely

    • 52
    • 80

    Rain Showers

    • 50
    • 74

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

    • 49
    • 70

    Slight Chance Thunderstorms

Today 6 May Miller

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Much warmer with Highs around 80. Southeast Winds 5 to 10 Mph.

Tonight 6 May Miller

Partly cloudy in the Evening, then becoming cloudy. A chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Olean Temperature Statistics

May Temperature

Kaiser Lake Ozark, Lee C Fine Memorial Airport (21.1 miles)

  • Lowest 3 May, 2024

    59 °F

  • Average May

    68.6 °F

  • Highest 1 May, 2024

    82 °F

Climate (2019–Present)

Kaiser Lake Ozark, Lee C Fine Memorial Airport (21.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2019–2024

    46.8 °F

  • Average 2019–2024

    57 °F

  • Average High 2019–2024

    67.6 °F
Get an account to remove ads