Marengo Weather Forecast

    • 11
    • 19

    Becoming Sunny

    • 28
    • 32

    Partly Sunny

    • 29
    • 38

    Mostly Cloudy

    • 19
    • 48

    Rain

    • 21
    • 28

    Mostly Cloudy

    • 32
    • 44

    Chance Rain

Today 15 Dec Morrow

Mostly cloudy. Highs around 18. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as zero.

Tonight 15 Dec Morrow

Partly cloudy in the Evening, then clearing. Cold with Lows around 12. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marengo Temperature Statistics

December Temperature

Knox County Airfield (15.5 miles)

  • Lowest 9 December, 2025

    8.6 °F

  • Average December

    25.9 °F

  • Highest 10 December, 2025

    39.2 °F

Climate (2020–Present)

Knox County Airfield (15.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    61.5 °F
Get WillyWeather+ to remove ads