Dardenne Prairie Weather Forecast

    • 27
    • 44

    Mostly Sunny

    • 44
    • 57

    Partly Sunny

    • 45
    • 64

    Partly Sunny

    • 58
    • 69

    Mostly Cloudy

    • 54
    • 75

    Partly Sunny

    • 45
    • 66

    Mostly Cloudy

    • 31
    • 62

    Mostly Cloudy

Today 21 Dec St. Charles

Sunny, cooler with Highs in the mid 40s. Southeast Winds around 5 Mph.

Tonight 21 Dec St. Charles

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 20s. Southeast Winds around 5 Mph.

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Dardenne Prairie Temperature Statistics

December Temperature

St. Louis, Spirit Of St. Louis Airport (8.7 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    32.4 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (8.7 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68.2 °F
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