What's it like out there?
外面天气怎么样？
What's the temperature like out there?
外面有多少度？
What's the weather like there today?
今天那里的天气怎么样？
It's pretty hot/cool/freezing.
这里天气很热/很凉/很冷。
Are you afraid of thunderstorms?
你害怕雷雨交加的天气吗？

It wasn't this hot at this time last year, were you around here then?
去年这个时候没有这么热，你当时在这里吗？
I have a Weather App on my phone, so I always know the latest weather forecast.
我的手机里有一个天气预报软件，所以我总是能知道最新的天气预报。
It looks like rain.
看起来要下雨了。
It sounds like it might rain later in the week.
听起来这周晚些时候会下雨。
You'd better take an umbrella.
你最好带把伞。
The weather forecast said...
天气预报上说...