Trump tweeted the comments in July, specifically referring to Democratic Rep. Elijah Cummings' district, which includes parts of Baltimore, a place where "no human being would want to live."
It sparked a week-long back-and-forth between Trump and Cummings, who oversees multiple investigations by Trump and top administration officials as House Oversight Chairman.
But Trump's White House staff and his campaign staff have all continued to defend what the President has said about the city. And in late July, Trump said he does not regret criticizing politicians' handling of the Baltimore and denied assertions that his critics were racist.
Cummings told CNN's Manu Raju that he hopes Trump enjoys his time in the city.
"I hope he has a pleasant visit. I hope he gets a chance to see quite a bit of Baltimore. It's a beautiful city ̵
When Trump arrives At the retreat just outside of Cummings' district in Baltimore, he will likely be met by demonstrators protesting his policies at a park a block away from his speaking venue.
Just days before Trump's rodent tweet, Cummings 'panel approved subpoenas for work-related texts and emails on White House officials' personal devices, putting Trump son-in-law Jared Kushner and daughter Ivanka Trump in the committee's sights. Trump has told people he believes his children, who are also government employees, are being unfairly targeted.
After the tweets criticizing the state of Baltimore, Trump called for Cummings to use the House Oversight Committee's resources to investigate Baltimore's corruption .
"Billions and billions of dollars have been given to Baltimore. It's been missed, it's been missing, it's been stolen with a lot of corrupt government. And as you know Cummings has been in charge," Trump said in late July, "Now, I will say this, I think Representative Cummings should take his Oversight Committee and start doing oversight on Baltimore."
CNN's Chandelis Duster and Manu Raju contributed to this report.