Heavy Rain Falling
(Seoul = Yonhap News) Reporter Lee Jin-wook = Citizens are seen moving with umbrellas near Gwanghwamun Square in Seoul on the 20th. 2026.5.20 [email protected],
(Seoul = Yonhap News) Reporter Yoo Han-joo = On Tuesday, the 26th, the entire country will experience cloudy weather with rain.
This rain is expected to be heavy and substantial, continuing until the 27th.
The expected precipitation is 30-100mm in Seoul, Incheon, and Gyeonggi, 30-80mm in Gangwon, 30-80mm in Daejeon, Sejong, Chungnam, and Chungbuk, 30-80mm in Jeonbuk, and 30-80mm in Daegu and Gyeongbuk.
Jeonnam coastal areas and regions near Jiri Mountain are expected to receive 80-150mm (with some areas over 200mm), and Busan, southern coast of Gyeongnam, and regions near Jiri Mountain are also expected to receive 80-150mm (with some areas over 200mm).
In Jeju, the northern part will have 30-80mm, while other areas will see 50-150mm (with some central mountain areas over 200mm and mountain regions over 300mm).
Morning temperatures will range from 17 to 21 degrees, and daytime temperatures will range from 21 to 25 degrees.
Waves will reach 0.5-2.5m in the East and South Seas and 0.5-1.5m in the West Sea nearshore.
Offshore wave heights (within about 200km from the coast) are expected to be 0.5-3.5m in the East Sea, 0.5-2.5m in the West Sea, and 1.0-3.5m in the South Sea.
Here is the weather forecast for the 26th by region.
[Morning, Afternoon] (Lowest~Highest Temperature)
▲ Seoul: [Cloudy and Rain, Cloudy and Rain] (21~25) <70, 90>
▲ Incheon: [Cloudy and Rain, Cloudy and Rain] (21~25) <70, 90>
▲ Suwon: [Cloudy and Rain, Cloudy and Rain] (21~25) <70, 80>
▲ Chuncheon: [Cloudy, Occasional Rain, Cloudy, Rain] (19~24) <70, 80>
▲ Gangneung: [Cloudy, Brief Rain, Cloudy, Rain] (20~24) <60, 80>
▲ Cheongju: [Cloudy, Brief Rain, Cloudy, Rain] (21~25) <60, 70>
▲ Daejeon: [Cloudy and Rain, Cloudy and Rain] (20~24) <90, 80>
▲ Sejong: [Cloudy and Rain, Cloudy and Rain] (20~24) <90, 70>
▲ Jeonju: [Cloudy and Rain, Cloudy and Rain] (21~25) <80, 90>
▲ Gwangju: [Cloudy and Rain, Cloudy and Rain] (21~24) <80, 70>
▲ Daegu: [Cloudy and Rain, Cloudy and Rain] (19~23) <80, 80>
▲ Busan: [Cloudy and Rain, Cloudy and Rain] (19~23) <70, 90>
▲ Ulsan: [Cloudy and Rain, Cloudy and Rain] (18~23) <70, 90>
▲ Changwon: [Cloudy and Rain, Cloudy and Rain] (20~22) <80, 90>
▲ Jeju: [Cloudy and Rain, Cloudy and Rain] (21~27) <80, 70>
※ This article was produced using artificial intelligence (AI) technology. The AI-drafted article was finalized by a reporter with reference to Korea Meteorological Administration data and underwent desk editing.
The weather forecast data from the Korea Meteorological Administration used in this article can also be checked on their website (https://www.weather.go.kr).