With a population of around 7,500, Marengo sits in Illinois, United States. The city operates in the Central Time Zone.
Expect a humid continental climate in Marengo: average highs of 84°F in midsummer, lows near 15°F in midwinter, and an annual mean of 49°F. Precipitation totals roughly 37 inches per year and 37 inches of snow, concentrated around June, with January typically the driest month.
View historical weather for Marengo · More cities in Illinois