How do meterologists know when its going too rain and know what the temperature is going to be the next few da

Question

ys

Answer 1

As the person above me stated correctly, meteorologists predict. They do a lot of work to make such predictions. They analyze weather maps, forecast models, satellite and radar images, and current conditions in order to predict what will happen in the future.

Answer 2

They don't know. They predict. Meteorologists are the only people in the world who can be wrong as often as they are and not lose their jobs.