April in Fort Wayne is the rainiest month of the year. In April, the weather in Fort Wayne is typically warm. Average daily high temperature in April is about 14 degrees above zero. On average, Fort Wayne has 17 rainy, 7 sunny, 3 cloudy, and 3 partly cloudy days in April. The rains are usually heavy. April as well as February, March, November, and December is considered the most uncomfortable time to visit Fort Wayne.