What is the recommended clothing to wear when i'm in the building such as hotel room?

According to the forecast, the temperature will be 25 F to 30 F in outdoor. And the possibility of snow will be high. You are suggested to wear down jackets, sweaters, thermal long john, and pants to keep warm in outdoor. If you in the hotel room, you can enjoy the air-conditioning or central heating. If so, thin sweates, T-shirts and jeans are enough.