Machens Weather Forecast

    • 33
    • 55

    Mostly Cloudy

    • 33
    • 55

    Partly Sunny

    • 40
    • 70

    Mostly Sunny

    • 29
    • 61

    Partly Sunny

    • 27
    • 43

    Chance Rain/Snow

    • 26
    • 39

    Chance Rain

    • 31
    • 44

    Chance Rain

Today 25 Feb St. Charles

Mostly cloudy. Near steady temperature in the lower 50s. North Winds around 5 Mph.

Tonight 25 Feb St. Charles

Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Machens Temperature Statistics

February Temperature

St. Charles, St. Charles County Smartt Airport (5.6 miles)

  • Lowest 1 February, 2026

    -5.4 °F

  • Average February

    37.4 °F

  • Highest 18 February, 2026

    72.6 °F

Climate (2021–Present)

St. Charles, St. Charles County Smartt Airport (5.6 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68.7 °F
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