1 clear

2 fine (weather)

1 (of weather) to clear up

1 clear sky

2 sunny day

1 sunny and cloudless

1 thunder from a clear sky (idiom); a bolt from the blue

1 thunder from a clear sky (idiom); a bolt from the blue

1 sky clears after rain

2 new hopes after a disastrous period (idiom)

3 every cloud has a silver lining (idiom)

4 see also: 雨过天青 yǔ guò tiān qīng