Come rain, come shine
Definition 1 of 1
Pro Tip 1/3Loyalty Expressed
The phrase emphasizes unwavering support or commitment, despite challenges or changes. 
He stood by his team, come rain, come shine, throughout their losing streak.
Pro Tip 2/3Emotional Connection
It often expresses a deep emotional bond and conveys a sense of enduring reliability. 
Our friendship will last, come rain, come shine.
Pro Tip 3/3Metaphoric Weather
Rain and shine metaphorically represent difficult and good times, suggesting consistency regardless of circumstances. 
I'll complete this project, come rain, come shine.