Saint Charles Weather Forecast

    • 33
    • 51

    Becoming Sunny

    • 28
    • 46

    Becoming Sunny

    • 30
    • 49

    Sunny

    • 32
    • 51

    Mostly Sunny

    • 33
    • 53

    Sunny

    • 34
    • 56

    Sunny

    • 43
    • 60

    Partly Sunny

Today 12 Nov St. Charles

Partly sunny. A slight chance of rain in the morning. Highs in the mid 60s. Chance of rain 20 percent.

Tonight 12 Nov St. Charles

Partly cloudy this Evening, then becoming clear. Cooler with Lows in the lower 30s. Northwest Winds 10 to 15 Mph.

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Saint Charles Temperature Statistics

November Temperature

St. Louis Lambert International Airport (6.2 miles)

  • Lowest 7 November, 2026

    34.6 °F

  • Average November

    56.1 °F

  • Highest 3 November, 2026

    71.7 °F

Climate (2021–2026)

St. Louis Lambert International Airport (6.2 miles)

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  • Average Low 2021–2026

    50.7 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    69.9 °F
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