Monroe City Weather Forecast

    • 44
    • 64

    Becoming Sunny

    • 50
    • 71

    Sunny

    • 42
    • 67

    Sunny

    • 40
    • 64

    Mostly Sunny

    • 49
    • 69

    Partly Sunny

    • 50
    • 64

    Chance Rain Showers

Today 19 Oct Monroe

Sunny. A slight chance of Showers in the morning. Cooler with Highs in the mid 60s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 19 Oct Monroe

Clear. Lows in the lower 40s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight.

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Monroe City Temperature Statistics

October Temperature

St. Louis Downtown Airport (21.7 miles)

  • Lowest 10 October, 2025

    45 °F

  • Average October

    68 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

St. Louis Downtown Airport (21.7 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.6 °F
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