Lewis and Clark State Memorial Park Weather Forecast

    • 68
    • 88

    Becoming Sunny

    • 70
    • 90

    Partly Sunny

    • 70
    • 87

    Rain Showers Likely

    • 69
    • 85

    Slight Chance Thunderstorms

    • 71
    • 88

    Slight Chance Thunderstorms

    • 74
    • 91

    Mostly Sunny

Today 4 Aug Madison

Sunny. Highs in the upper 80s. South Winds around 5 Mph.

Tonight 4 Aug Madison

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

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  • Temperature Real-Time

Lewis and Clark State Memorial Park Temperature Statistics

August Temperature

St. Louis Regional Airport (7.5 miles)

  • Lowest 1 August, 2026

    68 °F

  • Average August

    70.6 °F

  • Highest 1 August, 2026

    74.3 °F

Climate (2021–2026)

St. Louis Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.6 °F
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