Mount Vernon Weather Forecast

    • 54
    • 79

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 67
    • 85

    Partly Sunny

    • 70
    • 88

    Partly Sunny

    • 72
    • 90

    Partly Sunny

    • 69
    • 89

    Chance Rain Showers

Today 28 Aug Knox

Mostly sunny. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 28 Aug Knox

Mostly clear. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Mount Vernon Temperature Statistics

August Temperature

Knox County Airfield (4.3 miles)

  • Lowest 24 August, 2026

    50 °F

  • Average August

    70.7 °F

  • Highest 5 August, 2026

    87.8 °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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