City have not a weather ID.
There are no cities with weather ID settings in Hong Kong.
Weatherandtime.net gives you the opportunity to host the weather and time widgets Hong Kong on your site, as well as other Hong Kongcities.
The procedure for obtaining the code is very simple. Click on the "Get widget", select a country and city, as well as additional design elements, Get the code to paste on your site.
Get weather widget for Hong Kong.
Hong Kong weather forecast for 15 days. Today's weather in Hong Kong,Hong Kong.