Mount Vernon Weather Forecast

    • 66
    • 85

    Rain Showers

    • 65
    • 82

    Rain Showers

    • 64
    • 83

    Chance Thunderstorms

    • 61
    • 82

    Chance Rain Showers

    • 56
    • 78

    Slight Chance Rain Showers

    • 59
    • 78

    Slight Chance Thunderstorms

Today 10 Aug Knox

Mostly cloudy this Morning, then becoming partly sunny. A chance of Thunderstorms. Showers, mainly this morning. Highs in the mid 80s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 10 Aug Knox

A chance of Thunderstorms. Showers Likely, mainly in the evening. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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Mount Vernon Temperature Statistics

August Temperature

Knox County Airfield (4.3 miles)

  • Lowest 4 August, 2026

    55.4 °F

  • Average August

    72.2 °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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