Heat Wave and Tropical Nights Persist Nationwide; Rain Expected in Jeju Mountains

by HYE YOUNG KO Posted : August 4, 2026, 17:28Updated : August 4, 2026, 17:28

On Wednesday, August 5, a heat wave and tropical nights are expected to continue across most of the country. Rain is forecasted in the mountainous and midland areas of Jeju starting in the afternoon.

According to the Korea Meteorological Administration, the morning low temperatures will range from 25 to 27 degrees Celsius, while the daytime highs are expected to reach between 31 and 38 degrees Celsius. The perceived temperatures in most regions will rise to around 35 degrees, making it extremely hot, and many areas will experience tropical nights.

In the mountainous and midland regions of Jeju, rainfall of 5 to 10 millimeters is anticipated from the afternoon.

Sea conditions will see wave heights of 0.5 to 1.5 meters in the East and South Seas, while the West Sea will have waves around 0.5 meters. Offshore wave heights are expected to be 0.5 to 1.5 meters in the East and West Seas and 0.5 to 2.0 meters in the South Sea.

Regionally, Seoul will see temperatures between 27 and 38 degrees Celsius, Incheon will range from 27 to 37 degrees, and Suwon will be between 26 and 37 degrees, all under clear skies. In Gangwon Province, Chuncheon will have temperatures from 25 to 37 degrees, while Gangneung will range from 25 to 31 degrees, with more clouds in the morning but clearing in the afternoon. In the Chungcheong region, Cheongju (26 to 35 degrees), Daejeon (25 to 36 degrees), and Sejong (25 to 36 degrees) will all experience sunny weather. In the Honam region, Jeonju (26 to 36 degrees) and Gwangju (26 to 36 degrees) will generally be clear. In the Yeongnam region, Daegu will see temperatures from 26 to 36 degrees, while Busan (26 to 33 degrees), Ulsan (25 to 33 degrees), and Changwon (26 to 34 degrees) will also be mostly clear. Jeju will have temperatures between 27 and 32 degrees, generally clear, but occasional rain is expected in the mountainous and midland areas in the afternoon.





* This article has been translated by AI.