Vandalia Weather Forecast

    • 70
    • 91

    Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 68
    • 85

    Chance Thunderstorms

    • 68
    • 86

    Partly Sunny

    • 70
    • 88

    Slight Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

Today 4 Jul Fayette

Sunny with a slight chance of Showers and Thunderstorms this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs around 90. Southwest Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 101.

Tonight 4 Jul Fayette

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers. Thunderstorms Likely, mainly in the evening. Lows around 70. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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Vandalia Temperature Statistics

July Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 1 July, 2026

    76.1 °F

  • Average July

    84.7 °F

  • Highest 1 July, 2026

    93 °F

Climate (2021–2026)

Salem, Salem-Leckrone Airport (23 miles)

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  • Average Low 2021–2026

    49.7 °F

  • Average 2021–2026

    59.1 °F

  • Average High 2021–2026

    68.6 °F
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