Weather Forecast and Radar for Charleston, Illinois

Weather in Charleston, IL

Charleston, Illinois experiences all four seasons throughout the year, each with its own unique weather. In the summer months, from June to August, temperatures reach highs of around 86°F and lows of around 64°F. In the spring, from March to May, temperatures range from highs of around 75°F to lows of around 45°F. In the fall, from September to November, temperatures range from highs of around 68°F to lows of around 43°F. And in the winter, from December to February, temperatures range from highs of around 44°F to lows of around 19°F. Charleston experiences an average of 42 inches of rain per year, with the wettest months being June and July. The area also receives an average of 20 inches of snowfall per year, with the snowiest months being December and January.

Fast Facts About Charleston, IL

As of 2020, the city population is 20141.

Major Cities Nearby Charleston, IL

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