Mount Vernon Weather Forecast

    • 38
    • 65

    Sunny

    • 40
    • 69

    Mostly Sunny

    • 38
    • 67

    Mostly Sunny

    • 42
    • 66

    Mostly Sunny

    • 38
    • 64

    Sunny

    • 40
    • 66

    Mostly Sunny

Today 19 Oct Knox

Sunny. Near steady temperature in the mid 60s. Light and variable Winds.

Tonight 19 Oct Knox

Clear. Lows in the upper 30s. North Winds around 5 Mph.

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  • Temperature Real-Time

Mount Vernon Temperature Statistics

October Temperature

Knox County Airfield (4.3 miles)

  • Lowest 17 October, 2026

    37.4 °F

  • Average October

    59.8 °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

    52.3 °F

  • Average High 2021–2026

    61.7 °F
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