In a statement posted on his social media platform, Truth Social, Trump said he “doesn’t want to see people hurt or hurt in any way” amid the freezing temperatures.
“These are dangerous conditions for tens of thousands of law enforcement officers, first responders, police K9s and even horses,” as well as “hundreds of thousands” of supporters.
“In any case, if you decide to come, dress warmly,” he added.
Capital One Arena will also be open for live viewing of the inaugural address.
Inauguration Day is expected to be bitterly cold in Washington, DC, with temperatures expected to range from -11C (12F) to -5C (23F).
“Everyone will be safe, everyone will be happy, and together we will make America great again,” Trump wrote.