Weldon Spring Conservation Area Weather Forecast

    • 69
    • 86

    Partly Sunny

    • 69
    • 90

    Chance Thunderstorms

    • 63
    • 81

    Rain Showers Likely

    • 62
    • 84

    Slight Chance Thunderstorms

    • 60
    • 88

    Rain Showers Likely

    • 43
    • 75

    Chance Rain Showers

Today 13 Apr St. Charles

Partly sunny. Near steady temperature in the lower 80s. South Winds 15 to 20 Mph.

Tonight 13 Apr St. Charles

Partly cloudy. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Weldon Spring Conservation Area Temperature Statistics

April Temperature

St. Louis, Spirit Of St. Louis Airport (4.3 miles)

  • Lowest 6 April, 2026

    35.7 °F

  • Average April

    60.2 °F

  • Highest 3 April, 2026

    85.6 °F

Climate (2021–Present)

St. Louis, Spirit Of St. Louis Airport (4.3 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.7 °F
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