Even Republicans are very slowly drifting away from Trump. Back on election day 91% of Republicans viewed Trump favorably, 9% unfavorably. Question 74A.https://docs.cdn.yougov.com/jsojry0vph/econTabReport.pdf
Today 82% of Republicans view Trump favorably, 15% unfavorably.. Question 45Ghttps://docs.cdn.yougov.com/v60y11605p/econTabReport.pdf
But those are surface numbers, overall favorable/unfavorable. If you want to know avid Trumpers, you look at very favorable numbers, not the overall favorable. In those Republicans who viewed Trump very favorable last election was at 75%. Today, very favorable is down to 62%. That's a significant 13 point drop in avid Trumpers in the GOP. I suspect it will continue to drop. But 62% is no small number either.
One last thing, in order to be successful in elections, Republican pollsters are saying Trump needs to go away.
"Top GOP pollster: To win, ‘we need Trump to go away"https://www.yahoo.com/news/top-gop-pollster-win-trump-123500977.html
Trump has been a god sent for the Democrats, for Biden and for the Democratic controlled congress so far. All are benefiting from the overall dislike of Trump especially among independents. Biden's honeymoon, usually a maximum of 100 days has lasted 6 months. I would say the longer Trump remains the face and leader of the Republican Party, the better chances are for the Democrats to retain control of both chambers of congress. This is solely due to independents disliking Trump. If the 2022 midterms were held today, the Democrats would pickup 1-3 senate seats, PA, NC and WI are the 3 in question. All other seats look fairly safe for the party that now holds them.
I won't venture a forecast on the House until redistricting is completed.