Vandalia Weather Forecast

    • 67
    • 86

    Chance Thunderstorms

    • 71
    • 83

    Chance Thunderstorms

    • 72
    • 86

    Rain Showers

    • 68
    • 85

    Rain Showers Likely

    • 70
    • 85

    Chance Thunderstorms

    • 73
    • 89

    Chance Thunderstorms

Today 17 Jul Montgomery

Partly cloudy. A chance of Showers and Thunderstorms in the Morning, then Showers with Thunderstorms likely in the afternoon. Humid with Highs in the upper 80s. West Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 17 Jul Montgomery

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 70s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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Vandalia Temperature Statistics

July Temperature

Dayton, Cox Dayton International Airport (1.2 miles)

  • Lowest 2 July, 2025

    64 °F

  • Average July

    79.6 °F

  • Highest 4 July, 2025

    93.7 °F

Climate (2020–Present)

Dayton, Cox Dayton International Airport (1.2 miles)

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  • Average Low 2020–2025

    46.4 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    64.7 °F
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