No, it's weatherproof.
Wyze Cam Outdoor is rated IP65, which is defined as "'dust tight' and protected against water projected from a nozzle." No, you cannot submerge it in water, but it can stand up to rain, snow, condensation, and normal weather conditions.
Is the Base Station waterproof or weatherproof?
No, the Base Station is not protected against water or weather. It is meant to be placed indoors, connected to the network.