Dardenne Prairie Weather Forecast

    • 36
    • 90

    Becoming Sunny

    • 38
    • 55

    Mostly Cloudy

    • 47
    • 64

    Partly Sunny

    • 61
    • 78

    Slight Chance Thunderstorms

    • 42
    • 90

    Chance Thunderstorms

    • 33
    • 53

    Chance Rain Showers

Today 22 Mar St. Charles

Partly sunny. Highs around 90. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 22 Mar St. Charles

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Breezy and much cooler with Lows in the mid 30s. North Winds 15 to 25 Mph with Gusts up to 35 Mph, Diminishing to 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of rain 20 percent.

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Dardenne Prairie Temperature Statistics

March Temperature

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

  • Lowest 17 March, 2026

    16.6 °F

  • Average March

    51.3 °F

  • Highest 20 March, 2026

    89.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    68.6 °F
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