Grand Marais Minnesota 14 Day Weather Forecast The Weather Atmospheric conditions at the heart of Grand Marais, Minnesota is constantly fluctuating. No matter if it's bright or cloudy, expect a range of climate conditions
during the year. From the beautiful springtime flowers blooming to the warm and sun-filled summertime days, to the colorful fall foliage, and the snow-covered landscapes in winter, Grand Marais, Minnesota provides a varied range of climate experiences during the year.