Chesterfield Weather Forecast

    • 52
    • 77

    Partly Sunny

    • 54
    • 76

    Mostly Cloudy

    • 56
    • 80

    Mostly Sunny

    • 57
    • 84

    Mostly Cloudy

    • 57
    • 80

    Mostly Cloudy

    • 57
    • 75

    Chance Rain Showers

Today 26 Oct St. Louis

Mostly sunny. Highs in the upper 70s. South Winds around 5 Mph.

Tonight 26 Oct St. Louis

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph.

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  • Temperature Real-Time

Chesterfield Temperature Statistics

October Temperature

St. Louis, Spirit Of St. Louis Airport (3.7 miles)

  • Lowest 18 October, 2026

    35.7 °F

  • Average October

    63.5 °F

  • Highest 13 October, 2026

    93.7 °F

Climate (2021–2026)

St. Louis, Spirit Of St. Louis Airport (3.7 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    69 °F
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