March weather forecast in Upper Marlboro

In March, the weather in Upper Marlboro is typically warm. Average daily high temperature in March is about 11 degrees above zero. On average, Upper Marlboro has 11 rainy, 8 sunny, 8 partly cloudy, and 4 cloudy days in March. The rains are usually moderate. March as well as January, February, and December is considered the most uncomfortable time to visit Upper Marlboro.