Marengo Weather Forecast

    • 31
    • 51

    Becoming Sunny

    • 38
    • 59

    Sunny

    • 43
    • 66

    Mostly Sunny

    • 44
    • 68

    Partly Sunny

    • 49
    • 71

    Partly Sunny

    • 54
    • 75

    Partly Sunny

Today 16 Oct Iowa

Mostly cloudy. Scattered Showers late this Morning, then isolated Showers this afternoon. Breezy, cooler. Near steady temperature in the upper 40s. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 40 percent.

Tonight 16 Oct Iowa

Mostly clear. Widespread frost after midnight. Cooler with Lows in the lower 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest around 5 Mph after midnight.

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Marengo Temperature Statistics

October Temperature

Cedar Rapids Airport (18.6 miles)

  • Lowest 5 October, 2026

    43.6 °F

  • Average October

    64.7 °F

  • Highest 12 October, 2026

    88.6 °F

Climate (2021–2026)

Cedar Rapids Airport (18.6 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.5 °F
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