Weather Forecast and Radar for Sterling, Illinois

Weather in Sterling, IL

Sterling, Illinois is located in the northern region of the United States and experiences four distinct seasons.

In the spring, temperatures range from an average high of 52°F (11.1°C) to an average low of 32°F (0°C). Rainfall is common, with an average of 4.25 inches (10.8 cm) per month.

Summer in Sterling typically brings hot and humid weather with average high temperatures of 83°F (28.3°C) and average lows of 63°F (17.2°C). Rainfall is slightly higher in the summer months with an average of 4.5 inches (11.4 cm) per month.

Autumn brings cooler temperatures and less humidity. Average high temperatures range from 66°F (18.9°C) to 45°F (7.2°C) while average low temperatures range from 46°F (7.8°C) to 28°F (-2.2°C). Rainfall averages around 3.5 inches (8.9 cm) per month.

In the winter, temperatures drop to an average high of 34°F (1.1°C) and an average low of 17°F (-8.3°C). Snowfall is common, with an average of 8.5 inches (21.6 cm) per month.

Fast Facts About Sterling, IL

As of 2020, the city population is 14774.

Major Cities Nearby Sterling, IL

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