Plus, I think there's real power in knowing the names of what we encounter outdoors; be it plants, animals, rocks or clouds. When you can name it, you can understand it and appreciate it.
As long as we're on the topic of weather prediction, it's probably worth reading The Art of Manliness' take on the topic. They cover a number of same techniques the graphic below does, but also mentions the power of using a barometer for weather prediction.
And where on Earth are you going to find a barometer while hiking in the woods? Perhaps in your pocket. It turns out that the Samsung Galaxy S3 and S5 have a pressure sensor built in. Using an app like WeatherSignal you can access it. Here's a screen grab of our current barometric pressure:
I have no idea how accurate the sensor is, but it sure makes for some interesting possibilities.
Here's the graphic: