People speak to the weather so often. We want sunny weather when we go for a walk on the country, and on a rainy day we stay at home reading books watching TV or do other things. When we are at the seaside, windy weather is pleasant as it’s difficult to swim if the wind blows. And the wind can change good weather into bad one. The sun will stops shining and the rain may come Moreover, it is obviously important for a farmer, a fishermen, an airplane pilot o a ships captain to know what the weather will be like. If they do not know wha weather to expect, they cannot plan theirs activities