Mount Vernon Weather Forecast

    • 55
    • 72

    Mostly Cloudy

    • 51
    • 76

    Mostly Sunny

    • 60
    • 79

    Chance Rain Showers

    • 61
    • 80

    Chance Thunderstorms

    • 63
    • 80

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

    • 68
    • 86

    Slight Chance Thunderstorms

Today 22 Jun Knox

Cloudy with a 50 percent chance of Showers. Near steady temperature around 70. North Winds 10 to 15 Mph.

Tonight 22 Jun Knox

Mostly cloudy. Lows in the mid 50s. North Winds 10 to 15 Mph.

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  • Temperature Real-Time

Mount Vernon Temperature Statistics

June Temperature

Knox County Airfield (4.3 miles)

  • Lowest 3 June, 2026

    48.2 °F

  • Average June

    69.6 °F

  • Highest 10 June, 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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