Mount Vernon Weather Forecast

    • 24
    • 45

    Mostly Cloudy

    • 24
    • 37

    Partly Sunny

    • 40
    • 49

    Mostly Cloudy

    • 27
    • 49

    Mostly Cloudy

    • 20
    • 38

    Slight Chance Rain/Snow

    • 9
    • 29

    Mostly Cloudy

Today 7 Dec Jefferson

Mostly cloudy with a slight chance of very light drizzle. Highs in the lower 40s. Temperature falling into the upper 30s in the afternoon. Southwest Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph in the afternoon.

Tonight 7 Dec Jefferson

Mostly cloudy. Patchy fog. Near steady temperature in the mid 30s. South Winds around 5 Mph.

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Mount Vernon Temperature Statistics

December Temperature

Mount Vernon Airport (2.5 miles)

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  • Average December

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Climate (2020–Present)

Mount Vernon Airport (2.5 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68.2 °F
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