Mount Vernon Weather Forecast

    • 74
    • 93

    Chance Thunderstorms

    • 72
    • 91

    Thunderstorms Likely

    • 73
    • 88

    Thunderstorms Likely

    • 75
    • 91

    Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 76
    • 94

    Chance Thunderstorms

    • 76
    • 95

    Slight Chance Thunderstorms

Today 16 Jul Jefferson

Sunny with a chance of Showers and Thunderstorms. Near steady temperature around 90. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 16 Jul Jefferson

Partly cloudy. Showers likely with a chance of Thunderstorms this evening. Lows in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 60 percent.

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  • Temperature Real-Time

Mount Vernon Temperature Statistics

July Temperature

Mount Vernon Airport (2.5 miles)

  • Lowest 2 July, 2025

    63 °F

  • Average July

    79.1 °F

  • Highest 11 July, 2025

    97 °F

Climate (2020–Present)

Mount Vernon Airport (2.5 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    56.5 °F

  • Average High 2020–2025

    67.7 °F
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