The weather in Duck, North Carolina during the summer months is sunny and splendid. Duck NC on the OBX has many sound front and oceanfront rental options. When you visit the Outer Banks during the summer be sure to bring your SPF as the suns rays are extremely potent that time of year. Temperatures during the summer can climb into the 90's during the heat of the day. Fall is rich with warm days and cool evenings partnered with a ton of fun festivals and family friendly events.