Fetching details from the dictionary...

clear weather; fine weather
formal; ceremonial; public
cleared of suspicion
明日は霽れるといいな。
I hope it'll be sunny tomorrow.
霽れた日に洗濯物をたくさん干す。
I hang lots of laundry on sunny days.
久しぶりに霽れたので外で遊ぶことにした。
It was sunny for the first time in a while, so I decided to play outside.