Grand Marais MN 10Day Weather Forecast Weather in Grand Marais, Minnesota is perpetually fluctuating. Whether it is bright or cloudy, expect an array of weather conditions over the year. Beginning in the stunning spring flowers blooming to the balmy and sun-filled summertime days, to the scenic fall foliage, and the wintry landscapes in winter, Grand Marais, Minnesota provides a varied assortment of climate experiences all through the year.
