Weldon Spring Weather Forecast

    • 40
    • 61

    Becoming Sunny

    • 54
    • 75

    Chance Thunderstorms

    • 57
    • 80

    Rain Showers Likely

    • 47
    • 68

    Rain Showers

    • 43
    • 58

    Chance Rain Showers

    • 45
    • 65

    Mostly Sunny

Today 2 May St. Charles

Partly sunny. A chance of Showers with a slight chance of Thunderstorms this morning. Highs in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 2 May St. Charles

Mostly clear. Lows around 40. Northwest Winds 5 to 10 Mph, becoming south after midnight.

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Weldon Spring Temperature Statistics

May Temperature

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

  • Lowest

  • Average May

  • Highest

Climate (2021–Present)

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

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  • Average Low 2021–2026

    46 °F
  • Average 2021–2026

    57.3 °F
  • Average High 2021–2026

    68.8 °F
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