Weldon Spring Weather Forecast

    • 38
    • 59

    Rain Showers

    • 40
    • 59

    Mostly Sunny

    • 37
    • 62

    Partly Sunny

    • 41
    • 54

    Mostly Cloudy

    • 54
    • 73

    Partly Sunny

    • 55
    • 77

    Chance Rain Showers

Today 4 Apr St. Charles

Mostly cloudy. A chance of Showers early. Much cooler. Near steady temperature in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 4 Apr St. Charles

Mostly cloudy in the Evening, then clearing. Much cooler with Lows in the upper 30s. Northwest Winds 10 to 15 Mph.

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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 1 April, 2026

    48.9 °F

  • Average April

    63 °F

  • Highest 2 April, 2026

    79 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.7 °F
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