Weldon Spring Weather Forecast

    • 67
    • 84

    Slight Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 68
    • 87

    Thunderstorms Likely

    • 66
    • 85

    Mostly Sunny

    • 74
    • 89

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

Today 16 Jun St. Charles

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 16 Jun St. Charles

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Weldon Spring Temperature Statistics

June Temperature

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

  • Lowest 10 June, 2025

    55.7 °F

  • Average June

    71.8 °F

  • Highest 3 June, 2025

    87.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    68 °F
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