Weldon Spring Heights Weather Forecast

    • 43
    • 50

    Rain

    • 38
    • 57

    Slight Chance Rain

    • 44
    • 63

    Mostly Cloudy

    • 55
    • 66

    Mostly Cloudy

    • 47
    • 72

    Partly Sunny

    • 41
    • 64

    Partly Sunny

Today 14 Feb St. Charles

A chance of rain in the Morning, then rain in the afternoon. Highs in the lower 50s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 14 Feb St. Charles

Mostly cloudy. Lows in the upper 30s. South Winds around 5 Mph.

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Weldon Spring Heights Temperature Statistics

February Temperature

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

  • Lowest 1 February, 2026

    -7.3 °F

  • Average February

    32.9 °F

  • Highest 10 February, 2026

    69.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    68.4 °F
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