Vandalia Weather Forecast

    • 48
    • 82

    Rain Showers

    • 36
    • 59

    Rain Showers Likely

    • 39
    • 62

    Mostly Sunny

    • 49
    • 66

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 57
    • 77

    Slight Chance Thunderstorms

Today 17 Apr Fayette

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. South Winds 15 to 20 Mph. Chance of rain 30 percent.

Tonight 17 Apr Fayette

A chance of Showers and Thunderstorms in the Evening, then Showers and Thunderstorms after midnight. Lows in the upper 40s. South Winds 15 to 20 Mph, becoming west 10 to 15 Mph after midnight. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vandalia Temperature Statistics

April Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 6 April, 2026

    40.3 °F

  • Average April

    63.8 °F

  • Highest 13 April, 2026

    83.7 °F

Climate (2021–Present)

Salem, Salem-Leckrone Airport (23 miles)

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  • Average Low 2021–2026

    49.6 °F

  • Average 2021–2026

    59 °F

  • Average High 2021–2026

    68.6 °F
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