Chilly Morning for National Foundation Day; Highs Reach 25 Degrees

by Hong Seungwan Posted : October 3, 2026, 08:48Updated : October 3, 2026, 08:48

On National Foundation Day, October 3, the morning temperatures across most of the country are expected to drop below 10 degrees Celsius, resulting in a chilly start to the day.

According to the Korea Meteorological Administration, morning temperatures will be about 2 to 5 degrees lower than the seasonal average in most regions. In the inland and mountainous areas of Gangwon and the northeastern regions of North Gyeongsang Province, temperatures may fall below 5 degrees.

Frost is expected in parts of northeastern Gyeonggi, inland and mountainous areas of Gangwon, northeastern North Gyeongsang, and eastern North Jeolla. Ice may form in the high mountainous areas of Gangwon. The daytime high is forecasted to reach between 21 and 25 degrees.

The weather will generally be clear, becoming increasingly cloudy by the morning.

On October 4, morning lows are expected to range from 8 to 18 degrees, with daytime highs between 22 and 25 degrees. The temperature difference between day and night will be around 15 degrees, particularly in the central region and inland areas of North Gyeongsang.

From the morning to midday on October 4, 5 to 10 millimeters of rain is expected in Busan, Ulsan, and the eastern coast of North Gyeongsang. Rain will begin in Seoul, Incheon, northern Gyeonggi, and northern inland areas of Gangwon late at night, spreading nationwide the following day.

From the night of October 4 to October 5, expected rainfall is 5 to 30 millimeters in Incheon, northern Gyeonggi, and northern inland areas of Gangwon, and 5 to 10 millimeters in southern Gyeonggi and Seoul.

Until October 4, the western part of the metropolitan area is expected to experience dry conditions, with somewhat strong winds, raising concerns about fire prevention, including forest fires.




* This article has been translated by AI.