Don’t take my word for it.

What is a Scientific Hypothesis?

What is a Scientific Theory?

However, this part of the second link I do not agree is completely accurate.

Every scientific theory starts as a hypothesis. A scientific hypothesis is a suggested solution for an unexplained occurrence that doesn’t fit into a currently accepted scientific theory. In other words, according to the , a hypothesis is an idea that hasn’t been proven yet. If enough evidence accumulates to support a , it moves to the next step — known as a theory — in the and becomes accepted as a valid explanation of a phenomenon

That’s an oversimplification of the process.