A weatherproof wheelchair cover system for enabling users mobility during adverse weather systems. The weatherproof wheelchair cover system includes a removably attachable weatherproof wheelchair cover assembly that includes a combination shield/cover, an attachment assembly, at least one support frame, a hinged pivot connector, and a joystick in functional combination The combination shield/cover includes weatherproof surfaces and weatherproof viewing apertures. The preferred embodiment includes a combination vent flap/upper viewing aperture that can be closed to protect the user or opened while the wheelchair cover assembly is in a deployed state. The weatherproof wheelchair cover system is deployable for use while having the ability to be retracted for situations where the weather is favorable or the wheel chair is operated indoors. The weatherproof wheelchair cover system is removably coupleable from the wheelchair and can be stored for period of nonuse.