Weather app

My sunsreens go out when lux is increasing. however, when lux increasing it is still possible that it rains. What weather app is the best to use and how to make change the flow. I have the open weather app and have to make a API and then I can’t follow it anymore. I installed my whole Homey circuit but I am not a wizzkid

In my opinion, none.
In my opinion, they’re all too inaccurate. Depending on the weather service, the nearest weather station from which the service obtains its data may be several kilometer away.

For a use case like this, I would suggest a capacitive rain sensor.
There are a few that are compatible with Homey, such as those from BleBox, Homematic (HM-Sen-RD-O) or Somfy, but they’re usually pretty expensive, and in some cases you need additional hubs.
But it’s also possible to build your own sensor:

Sorry, topics are in German.