The core idea is factoring in temperature, humidity, wind, UV, and pressure to give you feelings that captures what conditions actually feel like on your body.
You can also pick a personality for how it talks to you: Feels Like, Outfit Check, Comedian, or Cozy. Each one genuinely changes the writing style and I'm working on a couple more. I've also added Scenes which is a feature to change the background to specific landscapes such as cities, 7 wonders and more.