Oakville Weather Forecast

    • 69
    • 88

    Mostly Sunny

    • 72
    • 91

    Thunderstorms

    • 70
    • 85

    Thunderstorms Likely

    • 69
    • 87

    Chance Rain Showers

    • 72
    • 88

    Mostly Sunny

    • 74
    • 92

    Mostly Sunny

Today 4 Aug St. Louis

Sunny. Near steady temperature in the upper 80s. Southeast Winds around 5 Mph.

Tonight 4 Aug St. Louis

Mostly clear. Lows in the upper 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oakville Temperature Statistics

August Temperature

St. Louis Downtown Airport (10.6 miles)

  • Lowest 2 August, 2026

    68 °F

  • Average August

    73.4 °F

  • Highest 2 August, 2026

    82 °F

Climate (2021–2026)

St. Louis Downtown Airport (10.6 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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