Vandalia Weather Forecast

    • 73
    • 89

    Chance Thunderstorms

    • 73
    • 88

    Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

    • 67
    • 87

    Mostly Sunny

    • 72
    • 89

    Mostly Sunny

    • 68
    • 89

    Mostly Sunny

Today 16 Jul Fayette

Patchy fog this morning. Sunny with a slight chance of Showers and Thunderstorms this Morning, then partly sunny with Showers and Thunderstorms likely this afternoon. Highs in the upper 80s. Light and variable Winds. Chance of rain 70 percent.

Tonight 16 Jul Fayette

Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Humid with Lows in the lower 70s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vandalia Temperature Statistics

July Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 13 July, 2026

    68.5 °F

  • Average July

    79.5 °F

  • Highest 2 July, 2026

    93.9 °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

    68.7 °F
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