Atmospheric conditions inside the heart of Grand Marais, Minnesota is perpetually fluctuating. Whether it's fair or overcast, look forward to a range of weather conditions throughout the year. Beginning in the breathtaking spring flowers blossoming to the balmy and sun-filled summer days, to the colorful autumn foliage, and the snow-covered landscapes in winter, Grand Marais, Minnesota presents a wide assortment of climate experiences during the year.