Sontimer Airport Weather Forecast

    • 51
    • 76

    Sunny

    • 59
    • 81

    Mostly Cloudy

    • 57
    • 80

    Partly Sunny

    • 58
    • 80

    Partly Sunny

    • 59
    • 80

    Partly Sunny

    • 58
    • 80

    Partly Sunny

Today 26 Aug St. Charles

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 26 Aug St. Charles

Clear. Lows in the lower 50s. Northeast Winds around 5 Mph.

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Sontimer Airport Temperature Statistics

August Temperature

St. Louis, Spirit Of St. Louis Airport (10.6 miles)

  • Lowest 24 August, 2025

    55 °F

  • Average August

    78.2 °F

  • Highest 16 August, 2025

    98.7 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (10.6 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    68.1 °F
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