Weather Forecast and Radar for Marion, Iowa

Weather in Marion, IA

Marion, Iowa, United States has four distinct seasons throughout the year.

In the spring, temperatures usually range from the mid-30s (Fahrenheit) to the mid-60s. Spring is usually quite wet with the average rainfall being 3.6 inches. April is the wettest month with an average rainfall of 4.3 inches.

In the summer, temperatures usually range from the mid-50s to the mid-80s. July is usually the warmest month with an average temperature of 75°F (24°C). The average rainfall in the summer is 2.5 inches.

In the fall, temperatures usually range from the mid-30s to the mid-60s. October is usually the rainiest month with an average rainfall of 3.5 inches.

In the winter, temperatures usually range from the mid-teens to the mid-30s. January is usually the coldest month with an average temperature of 22°F (-6°C). The average rainfall in the winter is 2.3 inches.

Fast Facts About Marion, IA

As of 2020, the city population is 39910.

Major Cities Nearby Marion, IA

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