今天天气很冷。jīntiāntiānqìhěnlěng。Today the weather is very cold.现在在下雨。xiànzàizàixiàyǔ。It is raining now.昨天天气很热。zuótiāntiānqìhěnrè。Yesterday the weather was very hot.我想明天天气会很好。wǒxiǎngmíngtiāntiānqìhuìhěnhǎo。I think tomorrow the weather will be very nice.下雨的时候我不想去学校。xiàyǔdeshíhouwǒbùxiǎngqùxuéxiào。When it rains, I don't want to go to school.