Will it be warm? / No, it won't be warm
Will it be sunny? / No, it won't be sunny
Will it be cloudy? / No, it won't be cloudy
Will my friends be naughty? / No, they won't be naughty or My friends won't be naughty
Will my mum make a big cake? / No, she won't make a big cake or My mum won't make a big cake