Grand Marais Minnesota 14 Day Weather Forecast The Weather Atmospheric conditions at the heart of Grand Marais, Minnesota is perpetually varying. No matter if it's fair or overcast, expect a selection of climate
conditions during the year. From the gorgeous spring flowers blossoming to the balmy and sun-filled summer days, to the colorful fall foliage, and the snow-covered landscapes in winter, Grand Marais, Minnesota offers a varied range of climate experiences throughout the year.