Mount Vernon Weather Forecast

    • 56
    • 76

    Rain Showers

    • 51
    • 74

    Chance Thunderstorms

    • 39
    • 61

    Rain Showers

    • 39
    • 57

    Partly Sunny

    • 34
    • 56

    Partly Sunny

    • 36
    • 57

    Partly Sunny

Today 27 Apr Knox

Partly cloudy. Highs in the mid 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 27 Apr Knox

Cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then Showers after midnight. Lows in the mid 50s. Southeast Winds 15 to 20 Mph. Gusts up to 35 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Real-Time

Mount Vernon Temperature Statistics

April Temperature

Knox County Airfield (4.3 miles)

  • Lowest 8 April, 2026

    24.8 °F

  • Average April

    56.5 °F

  • Highest 15 April, 2026

    80.6 °F

Climate (2021–Present)

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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