Vandalia Weather Forecast

    • 72
    • 88

    Partly Sunny

    • 70
    • 90

    Rain Showers

    • 59
    • 79

    Rain Showers

    • 62
    • 80

    Partly Sunny

    • 68
    • 85

    Slight Chance Thunderstorms

    • 65
    • 85

    Chance Rain Showers

    • 67
    • 83

    Slight Chance Thunderstorms

Today 8 Sep Montgomery

Partly cloudy with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 8 Sep Montgomery

Partly cloudy. Unseasonably warm with Lows in the lower 70s. South Winds 5 to 10 Mph.

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Vandalia Temperature Statistics

September Temperature

Dayton, Cox Dayton International Airport (1.2 miles)

  • Lowest 6 September, 2026

    64 °F

  • Average September

    80.3 °F

  • Highest 3 September, 2026

    94.6 °F

Climate (2021–2026)

Dayton, Cox Dayton International Airport (1.2 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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