March weather forecast in Waterloo

In March, the weather in Waterloo is typically cold. Average daily high temperature in March is about 4 degrees above zero. On average, Waterloo has 9 partly cloudy, 7 sunny, 6 cloudy, 5 rainy, and 4 snowy days in March. The rains are usually heavy. March as well as February, April, October, and November is considered the most uncomfortable time to visit Waterloo.