Vandalia Weather Forecast

    • 74
    • 94

    Becoming Sunny

    • 73
    • 96

    Mostly Sunny

    • 75
    • 95

    Slight Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

Today 30 Jun Montgomery

Mostly sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 107.

Tonight 30 Jun Montgomery

Clear, muggy. Lows in the mid 70s. Southwest Winds 5 to 10 Mph.

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Vandalia Temperature Statistics

June Temperature

Dayton, Cox Dayton International Airport (1.2 miles)

  • Lowest 2 June, 2026

    52.6 °F

  • Average June

    71.2 °F

  • Highest 10 June, 2026

    90.6 °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

    64.7 °F
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