Before a cold front comes:The temperature will be warm. There will be short rain showers. During a cold front:The temperature will decrease and become cold. There will be heavy rain with hail, thunder, and lightning. After a cold front has passed:The temperature will continue to drop. The rain will stop and the skies will clear.
Hypotheses must be testable, and once tested, they can be supported by evidence. If a statement is made that cannot be tested and disproved, then it is not a hypothesis.
