Dreaming about the weather has an important function. This is especially true if the weather in the dream is atypical for the season. For example, if in your dream it is summer and it snows outside. This can show that you are at a discord with your environment. Alternatively, dreaming about the weather and how it affects you in the dream can be interpreted as you being resistant to adaption after changes in your environment.
If you in the dream see sunny and warm weather it means that you have a rather positive outlook for the future. Your plans for the future are full of confidence. Alternatively, a dream like this can be interpreted as a good sign for starting any new and big projects in your career and professional life in general.
If however you see a murky and cloudy weather it indicates that you are not so sure about your future prospects.
If in the dream you are paying close attention to the weather it signifies that you will have a rather notable increase in your luck levels soon. This is especially true for your personal life and meeting a person that is quite compatible with you from a romantic prospective is quite likely within the next couple of months.
Dreaming about hearing or reading a weather forecast means that you will soon have an important decision to make. This decision will influence you for a long time to come and therefore the decision will need to very well thought out. It is important to take into the consideration the opinions of your family members as it is likely that they will be affected by the decision also. There is also an alternative interpretation of this dream which is that you will not be so sure in your future prospects despite being offered encouragement and nice words from your close friends.