Mount Vernon Weather Forecast

    • 72
    • 97

    Hot

    • 74
    • 96

    Mostly Sunny

    • 72
    • 95

    Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

    • 69
    • 90

    Rain Showers Likely

    • 67
    • 88

    Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

Today 1 Jul Knox

Sunny, hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 1 Jul Knox

Clear. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Heat index Values up to 106 early this evening.

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Mount Vernon Temperature Statistics

July Temperature

Knox County Airfield (4.3 miles)

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  • Average July

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Climate (2021–2026)

Knox County Airfield (4.3 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    61.7 °F
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