Next time you want to plan a weekend away, you should check the weather forecast in advance, pack appropriate clothing, and have a backup plan in case of unexpected changes.
Anecdotes and sayings were developed to pass down knowledge, share experiences, and entertain people. They often contain practical advice, cultural values, and observations about life and nature.
Sailors and farmers began developing techniques to understand and predict natural phenomena, particularly weather patterns, to improve their safety, efficiency, and success in their respective activities.
People have always relied on the weather to do their jobs, especially in agriculture and maritime activities. Historically, this reliance was most critical before the advent of modern technology, as weather directly impacted crop yields, fishing, and sea travel.
Sailors used various methods to figure out the weather, including observing the sky, clouds, wind direction, and animal behavior. They also relied on traditional sayings and accumulated experience.
It seems there might be a typo in the question. If you meant "Why are sayings used today?", they are used for cultural preservation, education, entertainment, and to express complex ideas in a concise and memorable way.