Grand Marais MN Current Weather Atmospheric conditions within Grand Marais, Minnesota is constantly fluctuating. Whether it is sunny or overcast, expect a variety of climate patterns during the year. Beginning in the gorgeous springtime flowers
blooming to the warm and sun-soaked summertime days, to the scenic fall foliage, and the wintry landscapes in winter, Grand Marais, Minnesota offers a varied selection of climate experiences throughout the year.