Jones-Confluence Point State Park Weather Forecast

    • 75
    • 90

    Decreasing Clouds

    • 78
    • 95

    Isolated Thunderstorms

    • 79
    • 98

    Hot

    • 71
    • 93

    Partly Sunny

    • 69
    • 89

    Mostly Sunny

    • 70
    • 89

    Slight Chance Thunderstorms

    • 71
    • 89

    Slight Chance Thunderstorms

Today 25 Jul St. Charles

Mostly sunny and warmer. Near steady temperature in the mid 80s. West Winds around 5 Mph. Heat index Values up to 100.

Tonight 25 Jul St. Charles

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 70s. South Winds around 5 Mph in the Evening, becoming light and variable. Heat index Values up to 100 early in the evening.

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Jones-Confluence Point State Park Temperature Statistics

July Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 23 July, 2026

    60.4 °F

  • Average July

    76.9 °F

  • Highest 2 July, 2026

    93.2 °F

Climate (2021–2026)

St. Louis Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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