A giant six-metre-high blimp of Trump depicted as an orange baby in nappies is also expected to fly over the capital. In London, we speak with Sheila Menon, social justice activist and one of the organizers behind the Trump baby blimp.
In a list of "actions to take", the warning recommended that Americans, "Exercise caution if unexpectedly in the vicinity of large gatherings that may become violent", "keep a low profile" and "be aware of your surroundings".
Tens of thousands of people are expected to attend more than 100 protests being held across the country against the American President's visit over the weekend.
He arrives about a year and a half after Prime Minister Theresa May invited him for a state visit, an invitation that was met intense opposition in the United Kingdom - nearly 2 million people signed a petition to rescind the invite.
May has had to defend Trump's visit in the face of fiery criticism from opposition lawmakers.
Former House Speaker Newt Gingrich, the author of "Trump's America", said parallels can be drawn between Churchill's years in the wilderness during the 1930s and Trump's emergence in Republican politics from outside the establishment.
He added: 'I think that's why Brexit happened'. "They trust us on issues to do with nuclear missiles in a way that they don't trust any other country".
Police Scotland Assistant Chief Constable Mark Williams, said: "Clearly there is a significant protection operation in place for the President and this includes restrictions to the airspace in the Turnberry area".
Fresh from a North Atlantic Treaty Organisation summit where Trump chided Germany and other European nations for failing to contribute enough to defence spending, British Prime Minister Theresa May is hoping his trip will boost the close ties between their two nations and help forge a future free trade deal.
Mr Morgan, the forthright journalist and broadcaster, hit back and questioned why the London mayor had not been so vocal over the visit of controversial Turkish President Recep Erdogan.
President Donald Trump and his wife Melania are due to arrive in Scotland tomorrow night before meeting the Queen at Windsor Castle.
He will then travel to Helsinki for a summit with Russian president Vladimir Putin.