Weather in Marengo, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:52 PM ET · Refreshes every hour
75°F
Clear sky
Feels like 71°F
36%
Humidity
7 mph
Wind Speed
About Weather in Marengo
Marengo is located in Illinois (coordinates: 42.24655°N, 88.5975°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.