Weather Forecast and Radar for Algonquin, Illinois

Weather in Algonquin, IL

Algonquin, Illinois has a continental climate, which means that it experiences four distinct seasons throughout the year. The summers in Algonquin are warm and humid, with average temperatures ranging from the mid-70s to the mid-80s Fahrenheit. July is the hottest month, with an average high of 84°F and an average low of 63°F. During the summer months, thunderstorms are common.

The fall months in Algonquin are pleasant, with temperatures ranging from the mid-50s to the mid-70s Fahrenheit. October is the mildest month, with an average high of 66°F and an average low of 45°F. Rain is common during the fall months.

Winters in Algonquin are cold, with temperatures ranging from the low-20s to the mid-30s Fahrenheit. January is the coldest month, with an average high of 33°F and an average low of 18°F. Snowfall is common during the winter months.

Spring in Algonquin is mild and pleasant, with temperatures ranging from the mid-40s to the mid-60s Fahrenheit. April is the warmest month, with an average high of 59°F and an average low of 41°F. Rain is common during the spring months.

Fast Facts About Algonquin, IL

As of 2020, the city population is 30848.

Major Cities Nearby Algonquin, IL

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