Vandalia Weather Forecast

    • 68
    • 81

    Rain Showers

    • 65
    • 76

    Rain Showers Likely

    • 63
    • 79

    Chance Rain Showers

    • 63
    • 81

    Slight Chance Rain Showers

    • 65
    • 84

    Chance Rain Showers

    • 68
    • 86

    Slight Chance Thunderstorms

Today 31 Jul Fayette

Showers likely. A slight chance of Thunderstorms Early, then a chance of Thunderstorms. Near steady temperature in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 31 Jul Fayette

Showers with Thunderstorms likely. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vandalia Temperature Statistics

July Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 24 July, 2026

    58.5 °F

  • Average July

    79.1 °F

  • Highest 26 July, 2026

    95.2 °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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