Knox Weather Forecast

    • 41
    • 52

    Decreasing Clouds

    • 46
    • 67

    Increasing Clouds

    • 60
    • 78

    Rain Showers

    • 61
    • 84

    Chance Thunderstorms

    • 67
    • 91

    Mostly Sunny

    • 67
    • 90

    Chance Thunderstorms

    • 57
    • 82

    Rain Showers Likely

Today 14 May Clarion

Considerable cloudiness. Cold. Near steady temperature in the upper 40s. Northwest Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 14 May Clarion

Mostly cloudy. Lows in the lower 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Knox Temperature Statistics

May Temperature

Franklin, Venango Regional Airport (19.9 miles)

  • Lowest 12 May, 2026

    30.9 °F

  • Average May

    49.2 °F

  • Highest 4 May, 2026

    71.1 °F

Climate (2021–Present)

Franklin, Venango Regional Airport (19.9 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.2 °F
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