How Do Weathervanes Work?
This is because wind direction is determined by the direction from which it is traveling. For example, if the wind is coming from the west, you would feel the wind in your face if you were to face west. Therefore, wherever the narrow end of the figure points tells you the direction of the wind.
How Are Weathervanes Used to Tell Weather?
Certain principles apply regardless of your region. For example, a quick reversal of direction (such as from east to west) can signal a mass of lower pressure overhead that will bring storms. While most people prefer to pull up the weather with a tap on their phone, learning to predict weather patterns with a weathervane is fun and rewarding.