Chesterfield Weather Forecast

    • 52
    • 77

    Sunny

    • 57
    • 81

    Sunny

    • 58
    • 86

    Sunny

    • 59
    • 83

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

Today 5 Oct St. Louis

Sunny. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 5 Oct St. Louis

Clear. Lows around 50. East Winds around 5 Mph.

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Chesterfield Temperature Statistics

October Temperature

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

  • Lowest 3 October, 2026

    46.9 °F

  • Average October

    67.3 °F

  • Highest 1 October, 2026

    89.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    69 °F
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