Oakville Weather Forecast

    • 73
    • 98

    Hot

    • 68
    • 93

    Rain Showers Likely

    • 61
    • 79

    Rain Showers Likely

    • 55
    • 71

    Mostly Cloudy

    • 56
    • 74

    Partly Sunny

    • 58
    • 75

    Partly Sunny

Today 19 Sep St. Louis

Mostly sunny. Hot with Highs in the upper 90s. Southwest Winds 5 to 10 Mph.

Tonight 19 Sep St. Louis

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 70s. South Winds around 5 Mph.

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Oakville Temperature Statistics

September Temperature

St. Louis Downtown Airport (10.6 miles)

  • Lowest 8 September, 2026

    59.6 °F

  • Average September

    81.4 °F

  • Highest 5 September, 2026

    102.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (10.6 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.5 °F
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