In March, the weather in Grand Forks is typically cold. Average daily high temperature in March is about 1 degree above zero. On average, Grand Forks has 22 cloudy, 3 rainy, 3 snowy, 2 sunny, and 1 partly cloudy day in March. The rains are usually moderate. March as well as January, February, April, and November is considered the most uncomfortable time to visit Grand Forks.