Rain is expected across Incheon and Gyeonggi from late November 17 into the morning of November 18, followed by a sharp temperature drop as colder northern air moves in. On the November 19 college entrance exam day, morning temperatures are forecast to fall to 0°C in Incheon, -1°C in Suwon, -2°C in Paju, and as low as -5°C in Gapyeong, while strong winds may make conditions feel colder.
High waves of up to 4 meters are possible in the central West Sea, and drivers should watch for icy roads as temperatures fall below freezing after the rain.