Computer scientist Dr. Jen Golbeck, on X: "The forecast temperature is just a few degrees colder than Obama's 2008 inauguration (28º) which was held outside. It would make the MAGA crowd really mad if the narrative around this becomes that Trump is too weak to handle the cold."

There may be fewer seats, and less of a spectacle, but Donald Trump says safety is paramount, and he will attend an indoor rally with supporters afterward at a downtown DC arena.