Saint Charles Weather Forecast

    • 26
    • 82

    Slight Chance Thunderstorms

    • 22
    • 41

    Mostly Sunny

    • 37
    • 52

    Chance Rain

    • 42
    • 55

    Partly Sunny

    • 55
    • 70

    Mostly Sunny

    • 60
    • 76

    Chance Rain Showers

Today 27 Feb St. Charles

Sunny. Highs in the lower 80s. Southwest Winds 15 to 20 Mph. Gusts up to 40 Mph this afternoon.

Tonight 27 Feb St. Charles

Mostly cloudy. Isolated rain Showers and Thunderstorms in the evening. Breezy and much cooler with Lows in the mid 20s. West Winds 15 to 20 Mph, becoming northwest 15 to 25 Mph after midnight. Gusts up to 40 Mph. Chance of rain 20 percent.

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Saint Charles Temperature Statistics

February Temperature

St. Louis Lambert International Airport (6.2 miles)

  • Lowest 17 February, 2024

    14.8 °F
  • Average February

    46.6 °F
  • Highest 21 February, 2024

    73 °F

Climate (2019–Present)

St. Louis Lambert International Airport (6.2 miles)

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  • Average Low 2019–2024

    49.9 °F
  • Average 2019–2024

    58.7 °F
  • Average High 2019–2024

    67.9 °F
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