Traditional Culture Encyclopedia - Weather inquiry - How's the weather today? How should I answer in English?

How's the weather today? How should I answer in English?

The original sentence is wrong.

What is the weather like today?

or

What is the weather like today?

What is the weather like today?

Today is sunny/rainy/cloudy. Sunny/rainy/cloudy.

These two sentences are synonymous. What guidance needs to be like, but why not?