Lake Saint Louis Weather Forecast

    • 29
    • 64

    Mostly Sunny

    • 32
    • 51

    Increasing Clouds

    • 34
    • 48

    Mostly Cloudy

    • 37
    • 54

    Mostly Cloudy

    • 39
    • 51

    Chance Rain

    • 35
    • 55

    Mostly Sunny

    • 43
    • 60

    Mostly Cloudy

Today 10 Feb St. Charles

Sunny. Highs in the lower 60s. Temperature falling into the mid 50s late. Northwest Winds 10 to 15 Mph.

Tonight 10 Feb St. Charles

Mostly clear. Lows around 30. North Winds 5 to 10 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Saint Louis Temperature Statistics

February Temperature

St. Louis, Spirit Of St. Louis Airport (11.2 miles)

  • Lowest 1 February, 2026

    -7.3 °F

  • Average February

    29.7 °F

  • Highest 6 February, 2026

    51.1 °F

Climate (2021–Present)

St. Louis, Spirit Of St. Louis Airport (11.2 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68.3 °F
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