Mount Vernon Airport Weather Forecast

    • 43
    • 63

    Mostly Sunny

    • 56
    • 68

    Chance Rain Showers

    • 58
    • 76

    Rain Showers Likely

    • 60
    • 70

    Rain Showers Likely

    • 43
    • 74

    Rain Showers Likely

    • 36
    • 56

    Partly Sunny

Today 26 Mar Jefferson

Sunny. Highs in the lower 60s. Southwest Winds 5 to 10 Mph, becoming northwest this afternoon.

Tonight 26 Mar Jefferson

Mostly clear in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the mid 40s. Northeast Winds around 5 Mph, becoming southeast after midnight. Chance of rain 40 percent.

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Mount Vernon Airport Temperature Statistics

March Temperature

Mount Vernon Airport (0 miles)

  • Lowest 2 March, 2025

    16.8 °F

  • Average March

    49.8 °F

  • Highest 14 March, 2025

    83.6 °F

Climate (2020–Present)

Mount Vernon Airport (0 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    67.5 °F
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