St. Charles County Smartt Airport Weather Forecast

    • 22
    • 47

    Becoming Sunny

    • 27
    • 36

    Increasing Clouds

    • 29
    • 52

    Mostly Sunny

    • 40
    • 60

    Mostly Sunny

    • 38
    • 66

    Chance Rain

    • 30
    • 50

    Slight Chance Rain

    • 29
    • 46

    Chance Rain

Today 6 Feb St. Charles

Mostly sunny. Highs in the upper 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 6 Feb St. Charles

Partly cloudy this Evening, then clearing. Lows in the lower 20s. North Winds 5 to 10 Mph. Gusts up to 30 Mph this evening.

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  • Temperature Real-Time

St. Charles County Smartt Airport Temperature Statistics

February Temperature

St. Charles, St. Charles County Smartt Airport (0 miles)

  • Lowest 1 February, 2026

    3 °F

  • Average February

    27.3 °F

  • Highest 2 February, 2026

    37.9 °F

Climate (2021–Present)

St. Charles, St. Charles County Smartt Airport (0 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    68.5 °F
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