Weather Forecast: Mostly Clear Nationwide with Rain on the East Coast

By Yang Boyeon Posted : September 14, 2026, 19:28 Updated : September 14, 2026, 19:28

On Tuesday, September 15, the weather will be mostly clear across the country, with rain expected primarily along the eastern coast of Gyeongsang Province. Most areas, excluding the eastern coast, will experience significant temperature differences between day and night.


According to the Korea Meteorological Administration on September 14, the morning low temperatures are forecasted to range from 12 to 20 degrees Celsius, while the daytime highs are expected to be between 24 and 29 degrees Celsius.


Light rain, measuring less than 0.1 mm, may fall in the mountainous regions of Gangwon Province during the early morning hours. In the afternoon, rain is anticipated in the eastern coastal areas of North Gyeongsang Province and Ulsan, with expected precipitation of less than 5 mm in both regions.


For the time being, most areas of the country, excluding the eastern coast, will experience significant temperature variations between day and night, so residents are advised to take care of their health.


Wave heights are expected to be between 0.5 and 1.5 meters in the East Sea, and between 0.5 and 1.0 meters in the West and South Seas.


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


Looking at the expected temperatures for major regions, the morning lows are forecasted as follows: Seoul 15 degrees, Incheon 16 degrees, Suwon 15 degrees, Chuncheon 13 degrees, Gangneung 17 degrees, Cheongju 16 degrees, Daejeon 14 degrees, Sejong 14 degrees, Jeonju 15 degrees, Gwangju 17 degrees, Daegu 17 degrees, Busan 20 degrees, Ulsan 19 degrees, Changwon 19 degrees, and Jeju 21 degrees.


The daytime highs are expected to be: Seoul 27 degrees, Incheon 26 degrees, Suwon 27 degrees, Chuncheon 26 degrees, Gangneung 25 degrees, Cheongju 27 degrees, Daejeon 26 degrees, Sejong 26 degrees, Jeonju 27 degrees, Gwangju 28 degrees, Daegu 28 degrees, Busan 28 degrees, Ulsan 26 degrees, Changwon 29 degrees, and Jeju 27 degrees.





* This article has been translated by AI.

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