Live Grand Marais Harbor Webcam MN USAClimate within Grand Marais, Minnesota is constantly shifting. No matter if it's bright or cloudy, look forward to an array of weather conditions during the year. Starting from the breathtaking springtime flowers blossoming to the balmy and sun-soaked summertime days, to the colorful fall foliage, and the wintry landscapes in winter, Grand Marais, Minnesota offers a diverse variety of weather experiences all through the year.