Old Monroe Weather Forecast

    • 58
    • 82

    Decreasing Clouds

    • 58
    • 82

    Mostly Sunny

    • 59
    • 81

    Partly Sunny

    • 62
    • 84

    Partly Sunny

    • 48
    • 76

    Rain Showers Likely

    • 43
    • 67

    Slight Chance Rain Showers

Today 14 Oct Lincoln

Partly sunny. Highs in the lower 80s. Southeast Winds around 5 Mph.

Tonight 14 Oct Lincoln

Partly cloudy. Lows in the upper 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Old Monroe Temperature Statistics

October Temperature

St. Charles, St. Charles County Smartt Airport (16.8 miles)

  • Lowest 8 October, 2025

    44.1 °F

  • Average October

    67.6 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (16.8 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    68.5 °F
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