March weather forecast in Portland

March in Portland is the windiest and the cloudiest month of the year. In March, the weather in Portland is typically cold. Average daily high temperature in March is about 5 degrees above zero. On average, Portland has 12 partly cloudy, 8 sunny, 6 rainy, 4 cloudy, and 1 snowy day in March. The rains are usually heavy. March as well as January, February, April, and October is considered the most uncomfortable time to visit Portland.