Abstract: An optically transparent weather window shield is designed for automotive vehicles and the like to protect an occupant from wind, rain, and snow when the window opening it is received in has the glass down. Primarily, it consists of a main body with a rain run-off channel and a downwardly angled front portion for wind and rain deflection. A mounting member is secured to a side edge of the main body and the front portion, and an edge portion of the mounting member is force fitted into the window receiving channel of the vehicle mounting the shield. The structure is also such, that it is installed without any fasteners and is easily removed when desired. The device is transparent so as not to interfere with the vision of the driver while operating the vehicle.