Cottleville Weather Forecast

    • 22
    • 41

    Mostly Sunny

    • 15
    • 31

    Mostly Sunny

    • 19
    • 33

    Mostly Sunny

    • 42
    • 56

    Mostly Cloudy

    • 35
    • 59

    Chance Rain

    • 30
    • 51

    Slight Chance Rain

    • 40
    • 62

    Mostly Sunny

Today 21 Feb St. Charles

Mostly sunny. Highs in the lower 40s. Northwest Winds 10 to 15 Mph.

Tonight 21 Feb St. Charles

Mostly clear. Lows in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Cottleville Temperature Statistics

February Temperature

St. Louis, Spirit Of St. Louis Airport (6.2 miles)

  • Lowest 1 February, 2026

    -7.3 °F

  • Average February

    40.7 °F

  • Highest 18 February, 2026

    72 °F

Climate (2021–Present)

St. Louis, Spirit Of St. Louis Airport (6.2 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.6 °F
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