Wentzville Weather Forecast

    • 41
    • 61

    Increasing Clouds

    • 43
    • 51

    Rain

    • 37
    • 57

    Slight Chance Rain

    • 44
    • 63

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

    • 46
    • 71

    Partly Sunny

Today 13 Feb St. Charles

Sunny. Highs around 60. South Winds 5 to 10 Mph.

Tonight 13 Feb St. Charles

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 40. South Winds around 5 Mph.

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Wentzville Temperature Statistics

February Temperature

St. Louis, Spirit Of St. Louis Airport (14.9 miles)

  • Lowest 1 February, 2026

    -7.3 °F

  • Average February

    32.9 °F

  • Highest 10 February, 2026

    69.1 °F

Climate (2021–Present)

St. Louis, Spirit Of St. Louis Airport (14.9 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    68.4 °F
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