Weather Forecast and Radar for Janesville, Wisconsin

Weather in Janesville, WI

Janesville, Wisconsin, United States experiences seasonal weather year-round. In the winter months, temperatures usually range from the mid-teens to lower-30s Fahrenheit. In the spring, temperatures range from the mid-30s to the mid-50s Fahrenheit. Summer temperatures range from the mid-50s to the mid-80s Fahrenheit. In the fall, temperatures usually range from the mid-30s to the mid-50s Fahrenheit. Janesville is prone to snowfall during the winter months, and heavy rain during the spring and summer months. The city also experiences occasional thunderstorms, tornadoes, and strong winds throughout the year.

Fast Facts About Janesville, WI

As of 2020, the city population is 71907.

Major Cities Nearby Janesville, WI

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