August A Busch Memorial Conservation Area Weather Forecast

    • 76
    • 89

    Slight Chance Thunderstorms

    • 75
    • 95

    Chance Thunderstorms

    • 75
    • 91

    Slight Chance Thunderstorms

    • 76
    • 95

    Mostly Sunny

    • 76
    • 97

    Hot

    • 76
    • 97

    Hot

Today 19 Jul St. Charles

Partly sunny with a chance of Thunderstorms. A chance of Showers. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 107.

Tonight 19 Jul St. Charles

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 102 early in the evening.

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August A Busch Memorial Conservation Area Temperature Statistics

July Temperature

St. Louis, Spirit Of St. Louis Airport (6.8 miles)

  • Lowest 2 July, 2025

    62.7 °F

  • Average July

    80 °F

  • Highest 16 July, 2025

    95.6 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (6.8 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    56.8 °F

  • Average High 2020–2025

    68 °F
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