The maximum temperature that Traeger grills will get too is 450 F degrees which is hot enough for most cooking needs.
However if you need a grill that gets hotter than 450 F degrees then the Traeger grill will not be the best grill for your needs.
There are other pellet grills that can reach a temperature of 700 F so you'll need one of those pellet grills to get to 700 F.
Traeger grills work best during warm months because the cold weather can cause the temperature inside the Traeger grill to stay too cool.
Traeger grills are great grills and I have one myself but you'll need a better grill if you want temperatures of above 450 F.