Marengo Weather Forecast

    • 64
    • 80

    Rain Showers Likely

    • 64
    • 84

    Partly Sunny

    • 66
    • 86

    Mostly Sunny

    • 70
    • 88

    Mostly Sunny

    • 71
    • 92

    Mostly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

    • 68
    • 87

    Slight Chance Thunderstorms

Today 11 Jul Morrow

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 11 Jul Morrow

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marengo Temperature Statistics

July Temperature

Knox County Airfield (15.5 miles)

  • Lowest 6 July, 2026

    66.2 °F

  • Average July

    78.4 °F

  • Highest 1 July, 2026

    93.2 °F

Climate (2021–2026)

Knox County Airfield (15.5 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.7 °F
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