Weather Forecast and Radar for Westchester, Illinois

Weather in Westchester, IL

Westchester, Illinois, United States has a temperate climate with four distinct seasons.

Spring in Westchester typically brings temperatures ranging from the low-40s to mid-60s (Fahrenheit) with April being the warmest month. It is usually sunny with periods of rainfall.

Summer temperatures typically range from the mid-60s to the high-80s (Fahrenheit). July is usually the hottest month with plenty of sunshine and occasional thunderstorms.

Autumn temperatures range from the mid-50s to mid-70s (Fahrenheit). October is usually the coolest month of the season.

Winter temperatures typically range from the low-20s to the mid-30s (Fahrenheit). December is usually the coldest month of the year with occasional snowfall.

Fast Facts About Westchester, IL

As of 2020, the city population is 16255.

Major Cities Nearby Westchester, IL

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