Open the "SkyLight\resources
" folder in "rainmeter\skins" folder in "My Dociments" , open the "variables.inc" files, and edit "Location" variable, some instructions are given in that file.
Or Open Rainmeter Manage window, Right click "Sky Light" > Open Folder.
Hope you figure it out.
Way of getting weather code :
1. Visit weather.codes
and search for 1. your location to get weather code.
2. Visit weather.com search location, to open weather info, after that open hour by hour forecast, check the URL
It would be "weather.com/en-IN/weather/hour…
" copy and paste it in variables file