On Wednesday the 8th, morning temperatures will hover around 0 degrees, bringing a "cold snap after blossoms" mainly inland.
Morning lows will range from minus 2 to 6 degrees, staying around 0 degrees mainly inland. Frost will form in some areas and ice will appear. Afternoon highs will be 13 to 19 degrees, with a large day-to-night temperature swing around 15 degrees expected.
Forecast lows and highs in major cities are 2 and 15 degrees in Seoul, 3 and 13 in Incheon, 1 and 17 in Daejeon, 1 and 18 in Gwangju and Daegu, 3 and 17 in Ulsan, and 4 and 15 in Busan.
In the Gangwon mountains and the northeastern mountains of North Gyeongsang, strong winds from the afternoon will make it feel colder than the actual temperature.
Cooler-than-usual weather is expected to continue through Thursday. On the 9th, a low pressure system approaching over the Yellow Sea from central China is forecast to bring fairly heavy rain nationwide. Rain will begin before dawn on the 9th in Jeju and South Jeolla, then expand nationwide in the morning.