I am not sure if I really understood what you are looking for, but if I got it right, this is what you are looking for:
Quote: "
Although it is possible to modify the options at any level, as the user of a skin, it is usually best to keep your modifications in the WeeWX configuration file (weewx.conf) if you can. That way you can apply any fixes or changes when the skin author updates the skin, and your customizations will not be overwritten."