Knox Weather Forecast

    • 23
    • 42

    Increasing Clouds

    • 29
    • 31

    Wintry Mix

    • 30
    • 38

    Mostly Cloudy

    • 24
    • 48

    Rain

    • 16
    • 34

    Snow Likely

    • 17
    • 24

    Slight Chance Snow

Today 25 Dec Clarion

Partly sunny. Highs in the lower 40s. Temperatures falling into the upper 30s in the afternoon. West Winds around 5 Mph, becoming north in the afternoon.

Tonight 25 Dec Clarion

Mostly cloudy. Lows in the lower 20s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Knox Temperature Statistics

December Temperature

Franklin, Venango Regional Airport (19.9 miles)

  • Lowest 5 December, 2025

    5 °F

  • Average December

    24.7 °F

  • Highest 18 December, 2025

    51.1 °F

Climate (2020–Present)

Franklin, Venango Regional Airport (19.9 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    58.1 °F
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