Vandalia Weather Forecast

    • 74
    • 90

    Partly Sunny

    • 70
    • 92

    Chance Thunderstorms

    • 65
    • 84

    Partly Sunny

    • 69
    • 86

    Mostly Sunny

    • 64
    • 86

    Chance Rain Showers

    • 61
    • 80

    Slight Chance Thunderstorms

Today 15 Aug Fayette

Partly sunny. Near steady temperature around 90. Southwest Winds around 5 Mph. Heat index Values up to 104.

Tonight 15 Aug Fayette

Partly cloudy. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph. Heat index Values up to 104 early in the evening.

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Vandalia Temperature Statistics

August Temperature

Salem, Salem-Leckrone Airport (23 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    78.5 °F

  • Highest 11 August, 2026

    93.2 °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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