Grand Marais MN Weather Forecast and Conditions The Weather at the heart of Grand Marais, Minnesota is perpetually fluctuating. Whether it is fair or overcast, expect a selection of weather conditions throughout the year. From the breathtaking spring flowers blooming to the balmy and sun-filled summertime days, to the vibrant fall foliage, and the snowy landscapes during winter, Grand Marais, Minnesota provides a diverse variety of weather experiences throughout the year.
