Weather Forecast and Radar for Glendale Heights, Illinois

Weather in Glendale Heights, IL

Glendale Heights, Illinois experiences all four seasons throughout the year. In the late spring and summer months (May to September) the average temperature is a comfortable 75°F, with temperatures often reaching the high 80s and 90s during the hottest periods in July and August. During the fall (October to December) the weather cools off to an average temperature of 56°F, with occasional cold snaps in November and December. Winter (January to March) is the coldest season with an average temperature of 33°F, and lows sometimes reaching 0°F. The spring months (April to June) are mild with average temperatures of 56°F, with occasional warm days reaching the mid-70s.

Fast Facts About Glendale Heights, IL

As of 2020, the city population is 33863.

Major Cities Nearby Glendale Heights, IL

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