Weather Forecast and Radar for Hillside, Illinois

Weather in Hillside, IL

Hillside, Illinois, United States, experiences four distinct seasons throughout the year. In the winter months, temperatures typically hover around freezing, with average highs around 40°F (4°C) and lows around 20°F (-6°C). It is not uncommon for temperatures to dip to -15°F (-26°C) during the coldest days of the season. Snowfall accumulates throughout the winter, and can reach up to 18 inches during the season.

As the winter months give way to spring, temperatures gradually begin to rise. The average temperature during the spring months is around 50°F (10°C), with highs reaching the upper 60s and lows in the lower 40s. Rainfall is common, particularly during April and May.

As summer approaches, temperatures begin to climb drastically. The average temperature during the summer months reaches into the mid-80s, with highs reaching the upper 90s and lows in the lower 70s. Humidity levels are often high and thunderstorms are common.

Finally, as fall approaches, temperatures begin to drop again. The average temperature during the fall months is around 60°F (15°C), with highs reaching the mid-70s and lows dipping into the upper 40s. Rainfall is common throughout the season, and snowfall is possible as early as October.

Fast Facts About Hillside, IL

As of 2020, the city population is 7937.

Major Cities Nearby Hillside, IL

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