Vandalia Weather Forecast

    • 58
    • 79

    Partly Sunny

    • 65
    • 84

    Chance Rain Showers

    • 62
    • 83

    Chance Thunderstorms

    • 60
    • 81

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

    • 69
    • 87

    Partly Sunny

Today 25 Aug Montgomery

Mostly sunny. Highs in the upper 70s. North Winds around 5 Mph early this Morning, becoming light and Variable, then becoming northwest around 5 Mph this afternoon.

Tonight 25 Aug Montgomery

Partly cloudy. Lows in the upper 50s. North Winds around 5 Mph, becoming east this late evening and early Morning, then becoming southeast late.

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  • Temperature Real-Time

Vandalia Temperature Statistics

August Temperature

Dayton, Cox Dayton International Airport (1.2 miles)

  • Lowest 4 August, 2026

    58.6 °F

  • Average August

    74.5 °F

  • Highest 10 August, 2026

    89.7 °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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