Weather Forecast and Radar for Harrisburg, Illinois

Weather in Harrisburg, IL

Harrisburg, Illinois, United States has some of the most varied weather patterns in the nation. The temperatures in the area range from below zero during the winter to over one hundred during the summer months.

In the winter, temperatures typically range from the mid-teens to the mid-thirties. The coldest months are typically January and February, with temperatures dropping as low as 0°F. Snow is common, with a yearly average of 25 inches.

In the spring and fall months, temperatures range from the mid-thirties to the mid-sixties. April and May are usually the warmest months, with temperatures averaging around 50°F. Rain is common in the spring months, with an average of 4 inches of rain per month.

In the summer months, temperatures range from the mid-sixties to the mid-nineties. July and August are usually the hottest months, with temperatures reaching over 100°F on some days. Rainfall is usually low, with an average of 2 inches of rain per month.

Overall, Harrisburg, Illinois has a moderate climate with temperatures that range from below zero in the winter to over one hundred in the summer. Rainfall is generally low, with an average of 3-4 inches per month.

Fast Facts About Harrisburg, IL

As of 2020, the city population is 8578.

Major Cities Nearby Harrisburg, IL

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