Weather Forecast and Radar for Crystal Lake, Illinois

Weather in Crystal Lake, IL

Crystal Lake, Illinois, United States typically experiences mild temperatures year-round, with temperatures rarely dipping below freezing during the winter months. Summers are warm and humid, with temperatures ranging from the mid-60s in the morning to the upper-80s in the afternoon. Winters are cold and wet, with temperatures ranging from the low-30s in the morning to the mid-40s in the afternoon. Spring and fall are generally pleasant, with temperatures ranging from the mid-40s in the morning to the mid-70s in the afternoon. On average, Crystal Lake receives approximately 40 inches of precipitation each year, with most of it occurring during the spring and summer. Snowfall during the winter months is typically light, with an average of 12 inches of snowfall each year.

Fast Facts About Crystal Lake, IL

As of 2020, the city population is 39685.

Major Cities Nearby Crystal Lake, IL

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