Mount Vernon Weather Forecast

    • 73
    • 88

    Rain Showers Likely

    • 71
    • 89

    Chance Thunderstorms

    • 62
    • 83

    Slight Chance Thunderstorms

    • 64
    • 82

    Partly Sunny

    • 65
    • 85

    Chance Thunderstorms

    • 60
    • 79

    Slight Chance Thunderstorms

Today 15 Aug Montgomery

Mostly Cloudy, then becoming partly cloudy late this Morning, then becoming mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 80s. Southeast Winds around 5 Mph, becoming south around 5 Mph this afternoon. Chance of rain 70 percent.

Tonight 15 Aug Montgomery

Mostly cloudy with Showers and Thunderstorms likely in the Evening, then partly cloudy with a chance of Showers and Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall. Muggy. Lows in the lower 70s. South Winds around 5 Mph, becoming southwest after midnight. Chance of rain 70 percent.

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Mount Vernon Temperature Statistics

August Temperature

Dayton, Cox Dayton International Airport (8.7 miles)

  • Lowest 4 August, 2026

    58.6 °F

  • Average August

    74.4 °F

  • Highest 10 August, 2026

    89.7 °F

Climate (2021–2026)

Dayton, Cox Dayton International Airport (8.7 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    64.8 °F
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