Weather Forecast: Clear Skies Across the Country on Chuseok Holiday's Final Day

by Kim yoon seop Posted : September 26, 2026, 15:12Updated : September 26, 2026, 15:12
On Sunday, September 27, the last day of the Chuseok holiday, clear skies are expected nationwide, although there will be significant temperature differences between day and night. Some areas in Jeju Island may experience rain during the day.

According to the Korea Meteorological Administration, the weather will be generally clear across the country on the 27th, with increasing clouds by night. Jeju Island will be cloudy, with rain expected in some areas from morning to afternoon, with anticipated precipitation of 5 to 10 mm.

The morning low temperatures are forecasted to range from 13 to 20 degrees Celsius, while daytime highs are expected to be between 25 and 28 degrees Celsius. Residents should be mindful of the significant temperature fluctuations between day and night, particularly in inland areas.

Expected morning low temperatures in major cities are as follows: △Seoul 18 degrees △Incheon 18 degrees △Chuncheon 15 degrees △Gangneung 17 degrees △Daejeon 17 degrees △Daegu 17 degrees △Jeonju 17 degrees △Gwangju 18 degrees △Busan 20 degrees △Jeju 22 degrees.

Daytime high temperatures are forecasted as follows: △Seoul 27 degrees △Incheon 26 degrees △Chuncheon 28 degrees △Gangneung 26 degrees △Daejeon 28 degrees △Daegu 27 degrees △Jeonju 28 degrees △Gwangju 28 degrees △Busan 27 degrees △Jeju 27 degrees.

Waves in the East and South Seas are expected to be between 0.5 and 1.0 meters, while the West Sea will see waves around 0.5 meters.

In the offshore waters (about 200 km from the coastline), wave heights are expected to be 0.5 to 1.5 meters in the East Sea, 0.5 to 1.0 meters in the West Sea, and 0.5 to 2.0 meters in the South Sea.

The fine dust levels across the country are expected to be at a 'good' to 'moderate' level.




* This article has been translated by AI.