How about this weather?

Meaning

The classic ice-breaker used when two people have absolutely nothing else to talk about. It acknowledges that the current climate is either exceptionally nice or irritatingly miserable.

Polite, awkward

Used in a sentence

• Standing in the checkout line, she turned to the stranger and asked, how about this weather?
• It is pouring rain, so he muttered to his neighbor, how about this weather?
• The elevator ride was silent until Bob cleared his throat and said, how about this weather?