South Korea braces for clear skies and sharp cold with wide day-night swings. SocietySouth Korea braces for clear skies and sharp cold with wide day-night swings입력 2026.10.21. 20:54조선비즈 구글 검색 먼저 보기On Thursday the 22nd, skies will be clear nationwide while morning temperatures drop sharply, making the commute chilly. The temperature gap between day and night will widen to around 15 degrees across inland areas.