Grand Marais MN Weather Forecast and Conditions The Climate in the heart of Grand Marais, Minnesota is perpetually varying. No matter if it's clear or cloudy, anticipate a range of weather patterns over the year. From the beautiful springtime flowers blossoming to the warm and sun-filled summer days, to the vibrant fall foliage, and the snowy landscapes in winter, Grand Marais, Minnesota offers a diverse selection of weather experiences during the year.
