Weldon Spring Weather Forecast

    • 61
    • 74

    Chance Rain Showers

    • 65
    • 81

    Rain Showers Likely

    • 69
    • 86

    Chance Thunderstorms

    • 68
    • 89

    Rain Showers Likely

    • 63
    • 84

    Rain Showers Likely

    • 60
    • 79

    Chance Rain Showers

Today 11 Apr St. Charles

Partly sunny with a 20 percent chance of Showers. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 11 Apr St. Charles

Mostly cloudy in the Evening, then becoming partly cloudy. Not as cool with Lows in the lower 60s. Southeast Winds 5 to 10 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 6 April, 2026

    35.7 °F

  • Average April

    59.9 °F

  • Highest 3 April, 2026

    85.6 °F

Climate (2021–Present)

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