A window device for a vehicle, the window device including: a light-transmitting plate having light-transmitting property and fixed to a vehicle body to physically partition an exterior and an interior of the vehicle; a light-shielding body having light-shielding property and provided along the light-transmitting plate within a view of a vehicle occupant; and a moving mechanism configured to move the light-shielding body up and down so as to widen or narrow a view obtained through the light-transmitting plate above the light-shielding body.