Vandalia Weather Forecast

    • 57
    • 79

    Partly Sunny

    • 63
    • 78

    Rain Showers Likely

    • 63
    • 80

    Rain Showers Likely

    • 63
    • 83

    Chance Thunderstorms

    • 61
    • 78

    Chance Thunderstorms

    • 58
    • 75

    Slight Chance Thunderstorms

Today 25 May Fayette

Mostly sunny. Near steady temperature in the upper 70s. East Winds 5 to 10 Mph.

Tonight 25 May Fayette

Mostly cloudy. Lows in the upper 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vandalia Temperature Statistics

May Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 7 May, 2026

    40.5 °F

  • Average May

    63.9 °F

  • Highest 17 May, 2026

    85.1 °F

Climate (2021–Present)

Salem, Salem-Leckrone Airport (23 miles)

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  • Average Low 2021–2026

    49.6 °F

  • Average 2021–2026

    59.1 °F

  • Average High 2021–2026

    68.6 °F
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