Marengo Weather Forecast

    • 56
    • 74

    Increasing Clouds

    • 51
    • 74

    Thunderstorms Likely

    • 59
    • 73

    Rain Showers

    • 53
    • 72

    Mostly Sunny

    • 54
    • 73

    Mostly Sunny

    • 58
    • 77

    Chance Rain Showers

Today 15 Jun McHenry

Mostly sunny late in the Morning, then becoming partly cloudy. Highs in the mid 70s. West Winds 10 to 15 Mph.

Tonight 15 Jun McHenry

Partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Marengo Temperature Statistics

June Temperature

De Kalb Taylor Municipal Airport (22.4 miles)

  • Lowest 3 June, 2026

    49.5 °F

  • Average June

    70.9 °F

  • Highest 6 June, 2026

    88 °F

Climate (2021–Present)

De Kalb Taylor Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.3 °F
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