What's the weather like?
There is thunder. / There's lightning. (Whenever there’s thunder and lightning, my dog rushes into the house in fear.)
What's the weather like?
It's hot. / It's warm. / It's sunny. (When the weather is warm, I prefer light clothing like t-shirts.)
How's the weather?
It's windy. (As we were walking along the beach, it started to get windy.)
How's the weather?
It's rainy. / It's humid. (Rainy days are the best time to stay home and read a book.)
How's the weather?
It's foggy. / It's misty. (It’s misty up in the mountains in the mornings.)
What's the weather like?
It's cloudy. (It looks cloudy; you should bring an umbrella in case it rains.)