To dream about the weather signifies your emotional state of mind. Stormy or windy weather implies conflict and aggression. Rain and hail represents depression and sadness. And rainbows and sunshine signify hope and happiness. Alternatively, weather may be a pun on “whether” you should do this or that. Perhaps you are trying to decide between two options.
To dream that the weather is ever-changing signify the passage of time.
To dream that you are reading the weather report means that you are about to make some major move. Alternatively, it indicates a decision that you need to make.
If you dream that you can change the weather, then it refers to your ability to turn certain emotions on and off.