Weather Forecast and Radar for Marengo, Illinois

Weather in Marengo, IL

Marengo, Illinois, United States has four distinct seasons throughout the year. From December to February, the temperatures are cold and often dip below freezing. Snowfall is common during this time of year, with an average of around 16 inches of snow in the winter months. The average high temperature is around 32°F, while the average low temperature is around 12°F.

From March to May, temperatures begin to rise, with the average high temperature reaching the mid to upper 50s. Rainfall is more common during this period and the average precipitation is around 3.9 inches.

From June to August, temperatures peak and the average high temperature is around 84°F. Humidity also increases during this period and rainfall is fairly common. The average precipitation is around 4 inches.

From September to November, temperatures gradually cool, with the average high temperature dropping to the mid to upper 60s. Rainfall is still common during this period and the average precipitation is around 3.8 inches.

Overall, Marengo, Illinois, United States experiences mild temperatures year-round, with the coldest temperatures occurring in the winter months and the hottest temperatures occurring in the summer months.

Fast Facts About Marengo, IL

As of 2020, the city population is 7871.

Major Cities Nearby Marengo, IL

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Marengo, Illinois.