Vandalia Weather Forecast

    • 61
    • 81

    Thunderstorms

    • 59
    • 80

    Thunderstorms

    • 55
    • 79

    Sunny

    • 56
    • 78

    Mostly Sunny

    • 62
    • 82

    Mostly Sunny

    • 66
    • 84

    Chance Rain Showers

Today 31 May Fayette

Partly sunny. Near steady temperature around 80. Southeast Winds around 5 Mph with Gusts up to 20 Mph.

Tonight 31 May Fayette

Partly cloudy in the Evening, then mostly cloudy with scattered Showers and Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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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

    65.7 °F

  • Highest 28 May, 2026

    86.7 °F

Climate (2021–Present)

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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