Chesterfield Weather Forecast

    • 46
    • 72

    Increasing Clouds

    • 44
    • 74

    Mostly Sunny

    • 47
    • 77

    Mostly Sunny

    • 49
    • 79

    Sunny

    • 50
    • 78

    Partly Sunny

    • 53
    • 80

    Partly Sunny

Today 19 Oct St. Louis

Sunny. Highs in the lower 70s. Southeast Winds around 5 Mph.

Tonight 19 Oct St. Louis

Partly cloudy. Lows in the mid 40s. Light and variable Winds.

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  • Temperature Real-Time

Chesterfield Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    37.9 °F

  • Average October

    65.9 °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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