LaSalle Park Weather Forecast

    • 73
    • 94

    Chance Thunderstorms

    • 69
    • 86

    Partly Sunny

    • 73
    • 91

    Partly Sunny

    • 70
    • 89

    Slight Chance Thunderstorms

    • 67
    • 83

    Slight Chance Thunderstorms

    • 68
    • 85

    Partly Sunny

Today 16 Aug St. Louis City

Partly sunny. Showers with a chance of Thunderstorms this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this morning. Chance of rain 90 percent. Heat index Values up to 111 this afternoon.

Tonight 16 Aug St. Louis City

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. North Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 107 early in the evening.

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LaSalle Park Temperature Statistics

August Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 3 August, 2026

    63.6 °F

  • Average August

    79.9 °F

  • Highest 11 August, 2026

    96.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (4.3 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.3 °F
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