Mount Vernon Weather Forecast

    • 64
    • 80

    Partly Sunny

    • 64
    • 84

    Thunderstorms Likely

    • 65
    • 83

    Rain Showers

    • 63
    • 86

    Thunderstorms Likely

    • 57
    • 79

    Chance Rain Showers

    • 55
    • 79

    Slight Chance Thunderstorms

    • 54
    • 77

    Mostly Sunny

Today 23 May Jefferson

Partly sunny with a slight chance of Showers and Thunderstorms. Highs around 80. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 23 May Jefferson

Mostly cloudy. Lows in the mid 60s. Southeast Winds around 5 Mph.

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Mount Vernon Temperature Statistics

May Temperature

Mount Vernon Airport (2.5 miles)

  • Lowest 12 May, 2024

    48.7 °F
  • Average May

    69.5 °F
  • Highest 19 May, 2024

    89.1 °F

Climate (2019–Present)

Mount Vernon Airport (2.5 miles)

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  • Average Low 2019–2024

    45.3 °F
  • Average 2019–2024

    55.8 °F
  • Average High 2019–2024

    67 °F
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