Waterloo · United States
Weather in Waterloo in August
In August the typical daytime high in Waterloo is 28.7 °C on average, from 29.6 °C at the start to 28.1 °C at the end of the month.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Cedar Rapids (79 km) and Rock Is L&D (183 km); nearer ones count more.