How does WeChat official account realize city weather query?

The city weather query programmer is just a function of the development of WeChat developer mode.

You can find a suitable third-party service platform in the search engine.

At the same time, enter the WeChat developer center to authorize access, and access the functions that can use third-party platforms.

The third-party platform will provide various functions such as city weather query, chat conversation, WeChat friends circle bargaining, sign-in, goddess voting, turntable lottery and so on according to your account type on WeChat platform.