Mount Vernon Weather Forecast

    • 27
    • 42

    Increasing Clouds

    • 23
    • 35

    Snow

    • 16
    • 29

    Chance Snow

    • 27
    • 32

    Mostly Cloudy

    • 29
    • 45

    Chance Rain

    • 23
    • 41

    Slight Chance Snow

Today 21 Feb Knox

Partly cloudy. Cooler with Highs in the lower 40s. West Winds 5 to 10 Mph.

Tonight 21 Feb Knox

Mostly cloudy. Much cooler with Lows in the upper 20s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

February Temperature

Knox County Airfield (4.3 miles)

  • Lowest 5 February, 2026

    -4 °F

  • Average February

    26.8 °F

  • Highest 18 February, 2026

    62.6 °F

Climate (2021–Present)

Knox County Airfield (4.3 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.6 °F
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