... including targeted forecasts at the time of your arrival to each point!
Spring in Waterloo, Iowa, United States has average high temperatures ranging from 48°F to 67°F, and average low temperatures ranging from 31°F to 50°F. Springtime is usually mild with occasional rain showers.
Summer in Waterloo, Iowa, United States has average high temperatures ranging from 78°F to 88°F, and average low temperatures ranging from 60°F to 68°F. Summer can be hot and humid with occasional thunderstorms.
Autumn in Waterloo, Iowa, United States has average high temperatures ranging from 64°F to 80°F, and average low temperatures ranging from 42°F to 57°F. Autumn is usually mild and sunny with occasional rain showers.
Winter in Waterloo, Iowa, United States has average high temperatures ranging from 30°F to 43°F, and average low temperatures ranging from 13°F to 28°F. Winter is usually cold and snowy with occasional ice storms.
As of 2020, the city population is 115266.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Waterloo, Iowa.