Hourly Weather Forecast for Grand Marais MN The Weather Weather in Grand Marais, Minnesota is always fluctuating. Whether it's bright or cloudy, look forward to a variety of weather conditions over the
year. Starting from the beautiful spring flowers blossoming to the balmy and sun-soaked summertime days, to the scenic fall foliage, and the wintry landscapes in winter, Grand Marais, Minnesota provides a diverse variety of weather experiences all through the year.