Vandalia Weather Forecast

    • 17
    • 22

    Increasing Clouds

    • 25
    • 39

    Chance Snow

    • 12
    • 32

    Mostly Cloudy

    • 2
    • 15

    Mostly Cloudy

    • 8
    • 13

    Snow Likely

    • 6
    • 18

    Mostly Cloudy

    • 6
    • 20

    Partly Sunny

Today 20 Jan Montgomery

Sunny. Highs in the lower 20s. Southwest Winds around 10 Mph.

Tonight 20 Jan Montgomery

Mostly clear this Evening, then becoming partly cloudy. Lows 15 to 20. South Winds 10 to 15 Mph.

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  • Temperature Real-Time

Vandalia Temperature Statistics

January Temperature

Dayton, Cox Dayton International Airport (1.2 miles)

  • Lowest 18 January, 2026

    10 °F

  • Average January

    32.5 °F

  • Highest 9 January, 2026

    61 °F

Climate (2021–Present)

Dayton, Cox Dayton International Airport (1.2 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    64.6 °F
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