Chesterfield Weather Forecast

    • 62
    • 84

    Mostly Sunny

    • 69
    • 87

    Partly Sunny

    • 67
    • 91

    Partly Sunny

    • 66
    • 88

    Mostly Sunny

    • 68
    • 88

    Partly Sunny

    • 72
    • 89

    Slight Chance Thunderstorms

Today 24 Aug St. Louis

Widespread dense fog in the morning. Sunny. Highs in the lower 80s. East Winds around 5 Mph.

Tonight 24 Aug St. Louis

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.

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Chesterfield Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    62.7 °F

  • Average August

    79.1 °F

  • Highest 11 August, 2026

    95.6 °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

    57.5 °F

  • Average High 2021–2026

    68.9 °F
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