Mount Vernon Weather Forecast

    • 66
    • 80

    Rain Showers

    • 64
    • 80

    Rain Showers

    • 61
    • 79

    Rain Showers Likely

    • 62
    • 81

    Rain Showers Likely

    • 64
    • 82

    Chance Rain Showers

    • 64
    • 83

    Chance Thunderstorms

Today 1 Aug Knox

Mostly cloudy. A chance of Showers and Thunderstorms in the afternoon. Humid with Highs around 80. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 1 Aug Knox

Cloudy. Lows in the mid 60s. Southeast Winds around 5 Mph.

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Mount Vernon Temperature Statistics

August Temperature

Knox County Airfield (4.3 miles)

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  • Average August

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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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