Weldon Spring Heights Weather Forecast

    • 66
    • 86

    Sunny

    • 70
    • 90

    Mostly Sunny

    • 71
    • 90

    Mostly Sunny

    • 73
    • 91

    Chance Thunderstorms

    • 75
    • 91

    Mostly Sunny

    • 75
    • 93

    Mostly Sunny

    • 71
    • 91

    Slight Chance Thunderstorms

Today 13 Jul St. Charles

Sunny. Near steady temperature in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 13 Jul St. Charles

Clear. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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Weldon Spring Heights Temperature Statistics

July Temperature

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

  • Lowest 6 July, 2026

    68.6 °F

  • Average July

    80.4 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.9 °F
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