Mount Vernon Weather Forecast

    • 61
    • 81

    Thunderstorms Likely

    • 63
    • 77

    Rain Showers

    • 61
    • 78

    Rain Showers Likely

    • 65
    • 83

    Partly Sunny

    • 70
    • 89

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

Today 25 Jun Knox

Showers and Thunderstorms likely. Near steady temperature in the upper 70s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 25 Jun Knox

Mostly cloudy. Showers and Thunderstorms likely this evening. Patchy fog after midnight. Lows around 60. West Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

June Temperature

Knox County Airfield (4.3 miles)

  • Lowest 3 June, 2026

    48.2 °F

  • Average June

    68.9 °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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