Chesterfield Weather Forecast

    • 36
    • 43

    Chance Rain

    • 17
    • 40

    Chance Snow

    • 23
    • 33

    Partly Sunny

    • 37
    • 49

    Mostly Cloudy

    • 27
    • 48

    Chance Rain

    • 22
    • 42

    Mostly Cloudy

Today 6 Dec St. Louis

Partly sunny. Highs in the upper 30s. West Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 6 Dec St. Louis

Mostly cloudy. A chance of rain after midnight. Near steady temperature in the lower 30s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesterfield Temperature Statistics

December Temperature

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

  • Lowest 3 December, 2025

    15.1 °F

  • Average December

    25.7 °F

  • Highest 3 December, 2025

    37.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    68.3 °F
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