Vandalia Weather Forecast

    • 72
    • 83

    Chance Rain Showers

    • 74
    • 91

    Partly Sunny

    • 76
    • 96

    Slight Chance Thunderstorms

    • 68
    • 91

    Mostly Sunny

    • 68
    • 89

    Mostly Sunny

    • 69
    • 89

    Partly Sunny

Today 25 Jul Fayette

Mostly cloudy. Numerous Showers with isolated Thunderstorms Early, then scattered Showers. Highs in the lower 80s. Southeast Winds around 5 Mph, becoming southwest around 5 Mph. Chance of rain 70 percent.

Tonight 25 Jul Fayette

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Humid with Lows in the lower 70s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vandalia Temperature Statistics

July Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 23 July, 2026

    60.8 °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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