Weather Forecast and Radar for Winnetka, Illinois

Weather in Winnetka, IL

Winnetka, Illinois, is located on the west coast of Lake Michigan and has a humid continental climate. The summers are warm and humid, with average temperatures ranging from the mid-60s to low 80s. July is typically the warmest month, with an average high temperature of 82°F and an average low temperature of 65°F. Winnetka experiences a long, cold winter, with average temperatures ranging from the low 20s to the mid-30s. January is usually the coldest month, with an average high temperature of 33°F and an average low temperature of 22°F.

Spring and fall are mild and pleasant in Winnetka, with average temperatures ranging from the mid-40s to low 70s. April is typically the wettest month, with an average of 3.7 inches of precipitation. On average, Winnetka receives 40 inches of rain and 33 inches of snowfall throughout the year.

Fast Facts About Winnetka, IL

As of 2020, the city population is 12361.

Major Cities Nearby Winnetka, IL

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