Yes, we should probably expect Democrats to have a hard time nationally.
The political commentary crew on CNN pretty uniformly believes Democrats will experience a “trouncing” come November. Well, look. That’s what happens when you install a senile old man through questionable means, selling him (to the extent you bother to make the case at all) as a reasonable centrist even though the people who make decisions on his behalf are hardcore Marxists. The truth is that a “trouncing” is too soft. If we had a healthy civic society, the Democrat Party would be utterly wiped from the face of American politics… and quickly replaced by a new opposition to Republicans.