May Weather forecast Spring forecast Grand Marais MNWeather inside the heart of Grand Marais, Minnesota is constantly varying. No matter if it's bright or overcast, look forward to a selection of climate patterns throughout the year. From the stunning springtime flowers blooming to the warm and sun-soaked summertime days, to the scenic autumn foliage, and the snow-covered landscapes during winter, Grand Marais, Minnesota provides a diverse variety of weather experiences during the year.
