Weather Forecast and Radar for Normal, Illinois

Weather in Normal, IL

Normal, Illinois, United States typically sees four distinct seasons. In the winter months (December, January, and February), the average temperature is around 28°F, and snowfall is common. January is typically the coldest month, with temperatures dropping as low as 10°F.

In the spring months (March, April, and May), the average temperature rises to around 45°F. April is usually the month with the most rainfall, usually around 4 inches.

The summer months (June, July, and August) are usually warm and humid, with temperatures averaging around 78°F during the day and 62°F at night. July is usually the warmest month, with temperatures reaching as high as 90°F.

The fall months (September, October, and November) are also typically mild and pleasant, with temperatures averaging around 58°F during the day and 43°F at night. October is usually the month with the most rainfall, usually around 3 inches.

Fast Facts About Normal, IL

As of 2020, the city population is 54699.

Major Cities Nearby Normal, IL

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