Marengo Weather Forecast

    • 65
    • 84

    Chance Thunderstorms

    • 68
    • 81

    Chance Rain Showers

    • 70
    • 84

    Rain Showers

    • 65
    • 83

    Rain Showers Likely

    • 67
    • 82

    Chance Rain Showers

    • 71
    • 87

    Chance Thunderstorms

Today 17 Jul Morrow

Partly sunny with a chance of Showers and Thunderstorms. Humid with Highs in the mid 80s. West Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 17 Jul Morrow

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Humid with Lows in the mid 60s. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 50 percent.

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Marengo Temperature Statistics

July Temperature

Knox County Airfield (15.5 miles)

  • Lowest 3 July, 2025

    62.6 °F

  • Average July

    75.5 °F

  • Highest 4 July, 2025

    89.6 °F

Climate (2020–Present)

Knox County Airfield (15.5 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    61.6 °F
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