Weather Forecast and Radar for Plano, Illinois

Weather in Plano, IL

Plano, Illinois has a humid continental climate with four distinct seasons. Summers are hot and humid, with average high temperatures reaching the mid-80s Fahrenheit (29°C) in July and August. The hottest temperature ever recorded in Plano was 104°F (40°C) in July 2012. Winters are cold and snowy, with temperatures typically falling below freezing from late November through mid-March. Average low temperatures in January range from around 15°F (-9°C) to the low 20s Fahrenheit (-6°C). The coldest temperature ever recorded in Plano was -22°F (-30°C) in February 1905.

Spring and fall are mild and pleasant, with temperatures ranging from the high 40s Fahrenheit (8°C) to the mid-70s Fahrenheit (24°C). Precipitation is fairly consistent throughout the year, with an average of 33.5 inches (85 cm) of rain and snow combined. The wettest month is typically June, when thunderstorms are common, while the driest month is usually October.

Fast Facts About Plano, IL

As of 2020, the city population is 11058.

Major Cities Nearby Plano, IL

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