Grand Rapids MI Weather Forecast and Conditions The Today's climate in Grand Rapids is cloudless, having radiant heat hovering around 65 degrees F. The conditions are an ideal day to step outdoors and relish the urban area's scenic beauty. Don't forget your sunscreen and sunglasses! Also, stay vigilant for any current information from the nearby weather agencies in case of unexpected changes. Stay protected and make the most of the wonderful Grand Rapids City weather today!