March weather forecast in Washington

March in Washington is the rainiest month of the year. In March, the weather in Washington is typically warm. Average daily high temperature in March is about 11 degrees above zero. On average, Washington has 13 rainy, 7 sunny, 6 partly cloudy, and 5 cloudy days in March. The rains are usually heavy. March as well as January, February, and December is considered the most uncomfortable time to visit Washington.