Meaning of the word "certain to" in English

What does "certain to" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

certain to

US /ˈsɜːrtn tuː/
UK /ˈsɜːtn tuː/

Phrase

definitely going to happen or do something

Example:
He's certain to win the election.
It's certain to rain later.