Do you have to ask about the weather or something?

Yes, here like is used as a preposition to mean "like". Because what means "what", you must add "like" to mean "what", so you must use like here. This is a fixed sentence pattern. What is the weather like today? What is the weather like today?

What is the weather like in spring? What is the weather like in spring?

The sentence structure of asking about the weather is: what's the weather like++prepositional phrases indicate places or seasons?

This is a special question guided by what.

Pay attention to adding prepositions (such as in, at, etc. ) before words indicating places or seasons.

The answer to this sentence pattern is usually: It' s ++ an adjective indicating weather conditions.

What's the weather like in Harbin in winter? What's the weather like in Harbin in winter?

It's very cold. It's very cold.

Lexical analysis 1, like it

English explanation: prep. Similar; Similar; Like; How about (asking for advice) ...; (of what someone often does) conforming to the characteristics of, for example.

Example: When I know that I am in this team, I feel like walking in the air.

Upon learning that I joined the team, I was as happy as flying into the sky.

2. Weather

English explanation: n. weather; Weather; weather prognosis

Sailing in such stormy weather, I'm afraid you're taking a risk.

I'm afraid it's too dangerous for you to sail in such stormy weather!