Mount Vernon Weather Forecast

    • 45
    • 78

    Decreasing Clouds

    • 50
    • 77

    Mostly Cloudy

    • 52
    • 78

    Mostly Sunny

    • 53
    • 82

    Partly Sunny

    • 57
    • 81

    Mostly Cloudy

    • 59
    • 76

    Rain Showers

Today 26 Oct Jefferson

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 26 Oct Jefferson

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. Calm Winds.

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Mount Vernon Temperature Statistics

October Temperature

Mount Vernon Airport (2.5 miles)

  • Lowest 18 October, 2026

    32 °F

  • Average October

    63.1 °F

  • Highest 13 October, 2026

    93 °F

Climate (2021–2026)

Mount Vernon Airport (2.5 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    69.3 °F
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