Arnold City Park Weather Forecast

    • 72
    • 94

    Rain Showers Likely

    • 67
    • 82

    Rain Showers

    • 52
    • 84

    Rain Showers

    • 39
    • 64

    Mostly Sunny

    • 38
    • 64

    Mostly Sunny

    • 47
    • 72

    Partly Sunny

Today 13 Oct Jefferson

Sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph.

Tonight 13 Oct Jefferson

Mostly clear in the Evening, then partly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Arnold City Park Temperature Statistics

October Temperature

St. Louis Downtown Airport (13 miles)

  • Lowest 6 October, 2026

    42.7 °F

  • Average October

    67 °F

  • Highest 1 October, 2026

    92.6 °F

Climate (2021–2026)

St. Louis Downtown Airport (13 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    69.5 °F
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