Marengo Weather Forecast

    • 58
    • 83

    Increasing Clouds

    • 59
    • 85

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 59
    • 86

    Partly Sunny

    • 61
    • 88

    Partly Sunny

Today 13 Sep Morrow

Mostly sunny this Morning, then becoming partly cloudy. Highs in the lower 80s. South Winds around 5 Mph, becoming northwest around 5 Mph this afternoon.

Tonight 13 Sep Morrow

Mostly cloudy this Evening, then clearing. Lows in the upper 50s. East Winds around 5 Mph.

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Marengo Temperature Statistics

September Temperature

Knox County Airfield (15.5 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    62.1 °F

  • Highest 2 September, 2025

    80.6 °F

Climate (2020–Present)

Knox County Airfield (15.5 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    61.5 °F
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