Weldon Spring Weather Forecast

    • 45
    • 81

    Thunderstorms

    • 46
    • 62

    Partly Sunny

    • 39
    • 61

    Mostly Cloudy

    • 39
    • 60

    Mostly Sunny

    • 50
    • 68

    Slight Chance Thunderstorms

    • 48
    • 70

    Chance Rain Showers

Today 18 Apr St. Charles

Mostly sunny in the Morning, then mostly cloudy with Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Southeast Winds 10 to 15 Mph, becoming south 15 to 20 Mph in the afternoon. Chance of rain 90 percent.

Tonight 18 Apr St. Charles

Mostly cloudy. Showers and Thunderstorms, mainly in the evening. Lows in the upper 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Weldon Spring Temperature Statistics

April Temperature

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

  • Lowest 5 April, 2024

    28.9 °F

  • Average April

    57.3 °F

  • Highest 14 April, 2024

    86 °F

Climate (2019–Present)

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

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  • Average Low 2019–2024

    46.2 °F

  • Average 2019–2024

    56.7 °F

  • Average High 2019–2024

    67.7 °F
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