VARIABLE PRESSURE WEATHERSTRIP ASSEMBLY

In one aspect, a variable pressure weatherstrip assembly according to the present disclosure includes: a weatherstrip including a sealing portion having a closed cross-section therein and configured to seal a portion between a vehicle body and an opening/closing part of a vehicle, and a fixing portion integrated with the sealing portion and fixed to a panel of the vehicle; an air supply device configured to supply pressurized air to the sealing portion; an air line configured to allow the air supply device and the sealing portion to communicate with each other; and one or more control valves installed in the air line, disposed between the sealing portion and the air supply device, and configured to control the air to be supplied to the sealing portion from the air supply device.