Vandalia Weather Forecast

    • 49
    • 76

    Chance Rain Showers

    • 46
    • 75

    Sunny

    • 45
    • 74

    Sunny

    • 49
    • 78

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 58
    • 89

    Mostly Sunny

Today 5 Sep Fayette

Sunny this Morning, then mostly cloudy with a slight chance of Showers this afternoon. Highs in the mid 70s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 5 Sep Fayette

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 40s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vandalia Temperature Statistics

September Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 1 September, 2025

    56.1 °F

  • Average September

    70.8 °F

  • Highest 2 September, 2025

    86.4 °F

Climate (2020–Present)

Salem, Salem-Leckrone Airport (23 miles)

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  • Average Low 2020–2025

    49.3 °F

  • Average 2020–2025

    58.6 °F

  • Average High 2020–2025

    68 °F
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