Weather Forecast: Sunday Highs Reach 31 Degrees with Rain Expected on the East Coast and Jeju

by Kang So Young Posted : September 6, 2026, 06:20Updated : September 6, 2026, 06:20

On Sunday, the 6th, the weather across the country is expected to be mostly clear, but the eastern coast of Gangwon, mountainous regions, parts of Gyeongsang Province, and Jeju Island may experience cloudy conditions with rain.


According to the Korea Meteorological Administration, rain is forecasted for the mountainous areas of Gangwon, northeastern Gyeongbuk, and Jeju Island. From the afternoon, rain will also likely fall on the eastern coast of Gangwon and northern Gyeongbuk, with rain expected in Busan, Ulsan, and eastern Gyeongnam, as well as southern Gyeongbuk from the evening.


Light rain of less than 0.1 mm is anticipated in the eastern coast of Gangwon, as well as in the inland areas of Busan, Ulsan, and eastern Gyeongnam, and the eastern coast of Gyeongbuk during the early morning hours.


Expected rainfall by the 7th includes: ▲ 5-10 mm for the eastern coast and mountainous areas of Gangwon; ▲ 5-10 mm for the inland areas of Busan, Ulsan, and eastern Gyeongnam, as well as the northeastern mountainous areas of Gyeongbuk; ▲ 20-60 mm for the mountainous areas of Jeju; and ▲ 5-20 mm for the coastal areas of Jeju.


A strong wind advisory is in effect for the southern coast of Jeollanam-do and Jeju Island, with some areas along the southern coast of Jeollanam-do and Jeju expected to experience wind gusts exceeding 70 km/h (20 m/s) during the day, and over 90 km/h (25 m/s) in mountainous regions.


While the weather is generally clear across the country, cloudy conditions are expected in the eastern coast and mountainous areas of Gangwon, as well as in Gyeongsang Province and Jeju Island.


Temperatures will range from a low of 16 to 22 degrees Celsius, with highs reaching 25 to 29 degrees. Morning lows in major cities are forecasted as follows: Seoul 19 degrees, Incheon 19 degrees, Suwon 19 degrees, Chuncheon 16 degrees, Gangneung 19 degrees, Daejeon 18 degrees, Cheongju 19 degrees, Gwangju 20 degrees, Jeonju 20 degrees, Busan 23 degrees, Ulsan 22 degrees, Daegu 20 degrees, and Jeju 24 degrees.


Afternoon highs are expected to be: Seoul 28 degrees, Incheon 29 degrees, Suwon 28 degrees, Chuncheon 27 degrees, Gangneung 26 degrees, Daejeon 28 degrees, Cheongju 28 degrees, Gwangju 30 degrees, Jeonju 29 degrees, Busan 29 degrees, Ulsan 27 degrees, Daegu 27 degrees, and Jeju 27 degrees.


Fine dust levels are expected to be at a 'good' level across all regions.





* This article has been translated by AI.