Vandalia Weather Forecast

    • 70
    • 94

    Rain Showers

    • 61
    • 80

    Rain Showers

    • 64
    • 84

    Mostly Sunny

    • 67
    • 90

    Chance Rain Showers

    • 65
    • 89

    Partly Sunny

    • 67
    • 89

    Chance Rain Showers

Today 9 Sep Fayette

Mostly sunny. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 5 to 10 Mph, becoming west in the afternoon. Chance of rain 40 percent. Heat index Values up to 102.

Tonight 9 Sep Fayette

Cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Lows in the upper 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 90 percent.

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Vandalia Temperature Statistics

September Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 6 September, 2026

    71.8 °F

  • Average September

    86.2 °F

  • Highest 5 September, 2026

    102.4 °F

Climate (2021–2026)

Salem, Salem-Leckrone Airport (23 miles)

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  • Average Low 2021–2026

    49.8 °F

  • Average 2021–2026

    59.2 °F

  • Average High 2021–2026

    68.7 °F
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