Knox Weather Forecast

    • 59
    • 80

    Isolated Thunderstorms

    • 57
    • 80

    Mostly Cloudy

    • 61
    • 80

    Chance Rain Showers

    • 64
    • 81

    Rain Showers Likely

    • 58
    • 79

    Chance Rain Showers

    • 58
    • 79

    Partly Sunny

Today 13 Aug Clarion

Patchy fog in the morning. Mostly cloudy in the Morning, then partly sunny with isolated Showers in the afternoon. Humid with Highs around 80. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 13 Aug Clarion

Mostly cloudy. Areas of fog after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Knox Temperature Statistics

August Temperature

Franklin, Venango Regional Airport (19.9 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    70.7 °F

  • Highest 5 August, 2026

    84 °F

Climate (2021–2026)

Franklin, Venango Regional Airport (19.9 miles)

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

  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.3 °F
Get WillyWeather+ to remove ads