Weather Update: Chilly Morning with Low of 8 Degrees, Rain Expected Tonight

by KIM JIYOON Posted : October 4, 2026, 08:12Updated : October 4, 2026, 08:12

On Sunday, temperatures are expected to drop to 8 degrees Celsius in the morning, leading to a chilly start to the day. By afternoon, temperatures will rise to the mid-20s, creating a significant temperature difference between day and night. Rain is forecasted to begin in the capital region and spread across the country starting tonight.

According to the Korea Meteorological Administration, rain will start in the capital region, northern inland areas of Gangwon, Chungcheongnam-do, and northwestern Jeollabuk-do. The rain clouds are expected to expand nationwide, with most areas experiencing autumn rain until the morning of the 5th.

While the overall amount of rain is not expected to be heavy, some regions may experience strong winds, thunder, and lightning. Hail is also possible in parts of the western coast of Chungcheong and northern inland areas of Gyeonggi and Gangwon.

In Jeju and some areas along the eastern coast, rain will continue throughout the day. Jeju is expected to receive less than 5 mm of rain by the morning, while Busan, Ulsan, and the eastern coast of Gyeongsangbuk-do may see 5 to 10 mm of rain from morning to afternoon. Light rain may also fall in southern coastal areas of Gangwon and Jeollanam-do, as well as eastern inland areas of Gyeongsangnam-do, until the morning.

There will be a significant temperature difference between morning and afternoon. Morning lows are expected to range from 8 to 18 degrees, while afternoon highs will be between 22 and 27 degrees. In the inland and mountainous areas of Gangwon, morning temperatures may drop to around 10 degrees, and in central regions and inland areas of Gyeongsangbuk-do, the temperature difference between day and night could reach around 15 degrees.

The expected morning lows in major cities are as follows: Seoul 15 degrees, Incheon 16 degrees, Chuncheon 10 degrees, Gangneung 13 degrees, Daejeon 14 degrees, Daegu 14 degrees, Jeonju 14 degrees, Gwangju 16 degrees, Busan 18 degrees, and Jeju 19 degrees.

Afternoon highs are forecasted to be: Seoul 24 degrees, Incheon 23 degrees, Chuncheon 24 degrees, Gangneung 23 degrees, Daejeon 25 degrees, Daegu 25 degrees, Jeonju 25 degrees, Gwangju 25 degrees, Busan 24 degrees, and Jeju 25 degrees.

Before the rain begins, dry weather will persist in the capital region. In particular, Seoul, which is under a dry weather advisory, will experience very dry conditions, but the advisory may be lifted once the rain starts tonight.

The nationwide weather will be partly cloudy, becoming overcast by night. Fine dust levels are expected to remain at a 'good' level across all regions.




* This article has been translated by AI.