The historians will more quickly recognize him as an utter disaster, but he'll have his lingering supporters for a while contesting that assessment.
By about 40 years after his death, his supporters will have died off and their ideological heirs will have other heros and targets.
I know, different era different Congress, but it was a highly divisive time with the National Guard called up in some domestic situations, wondering what your recollections might be.
when the "smoking gun" tape was released, so we all hoped that he'd be prosecuted for something - obstruction of justice, at least - after he resigned. When Ford pardoned him a lot of people, me included, were absolutely furious. But before that, it looked for quite awhile like he would never have to account for Watergate at all; and he insisted he wasn't "a crook" (though that remark referred to some tax shenanigans and not Watergate), but the Saturday Night Massacre changed everything. At that point many more people started to figure out he had something big to hide, and his popularity really started to slip after that.