St Charles Weather Forecast

    • 42
    • 65

    Mostly Sunny

    • 52
    • 70

    Rain Showers Likely

    • 38
    • 61

    Rain Showers Likely

    • 34
    • 54

    Mostly Sunny

    • 43
    • 55

    Mostly Sunny

    • 45
    • 68

    Mostly Sunny

    • 59
    • 72

    Mostly Cloudy

Today 20 Feb St. Charles

Sunny. Highs in the lower 60s. South Winds 5 to 10 Mph.

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St Charles Temperature Statistics

February Temperature

St. Louis Lambert International Airport (7.5 miles)

  • Lowest 17 February, 2024

    14.8 °F
  • Average February

    44.9 °F
  • Highest 1 February, 2024

    72.6 °F

Climate (2019–Present)

St. Louis Lambert International Airport (7.5 miles)

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  • Average Low 2019–2024

    49.8 °F
  • Average 2019–2024

    58.7 °F
  • Average High 2019–2024

    67.8 °F
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