Mount Vernon Weather Forecast

    • 67
    • 82

    Chance Thunderstorms

    • 73
    • 89

    Decreasing Clouds

    • 74
    • 93

    Mostly Sunny

    • 74
    • 95

    Sunny

    • 75
    • 96

    Mostly Sunny

    • 73
    • 95

    Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

Today 28 Jun Knox

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 80s. North Winds around 5 Mph. Chance of rain 40 percent.

Tonight 28 Jun Knox

Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Patchy fog. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 20 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

    68.8 °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

    43.3 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    61.7 °F
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