Mount Vernon Weather Forecast

    • 43
    • 67

    Mostly Sunny

    • 40
    • 67

    Mostly Sunny

    • 40
    • 67

    Mostly Sunny

    • 42
    • 69

    Mostly Sunny

    • 45
    • 71

    Partly Sunny

    • 43
    • 66

    Mostly Cloudy

    • 45
    • 66

    Partly Sunny

Today 22 Oct Knox

Sunny. Near steady temperature in the mid 60s. North Winds 5 to 10 Mph.

Tonight 22 Oct Knox

Mostly clear. Lows in the lower 40s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

October Temperature

Knox County Airfield (4.3 miles)

  • Lowest 18 October, 2026

    32 °F

  • Average October

    58.4 °F

  • Highest 13 October, 2026

    86 °F

Climate (2021–2026)

Knox County Airfield (4.3 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    61.6 °F
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