Weather Forecast: Hot Mornings and Sweltering Days Ahead with Rain on the East Coast

By MOONKI CHANG Posted : August 11, 2026, 19:48 Updated : August 11, 2026, 19:48
On Wednesday, August 12, the weather is expected to be mostly cloudy with significant temperature differences of around 10 degrees Celsius across the country. Mornings will be cool, but hot weather is anticipated during the day. Rain is forecasted for the East Coast.

According to the Korea Meteorological Administration, the perceived temperature in the capital region, Chungcheongnam-do, and southern areas could rise to as high as 33 degrees Celsius. While extreme weather conditions are easing, the midday heat will persist.

However, rain is expected along the East Coast. Precipitation will begin in the morning in the eastern coastal and mountainous regions of Gangwon Province, spreading to the eastern coastal and mountainous areas of North Gyeongsang Province in the afternoon. The expected rainfall in these areas is between 20 to 60 millimeters. The southern East Coast of North Gyeongsang Province, as well as Ulleungdo and Dokdo, are expected to receive 10 to 40 millimeters of rain. There is also a possibility that rain will extend to Busan and Ulsan in the afternoon.

On August 12, the forecasted morning low temperatures for major regions are as follows: Seoul 23 degrees, Incheon 22 degrees, Suwon 21 degrees, Chuncheon 18 degrees, Gangneung 21 degrees, Cheongju 20 degrees, Daejeon 20 degrees, Jeonju 24 degrees, Gwangju 21 degrees, Daegu 20 degrees, Busan 22 degrees, and Jeju 24 degrees.

The expected afternoon high temperatures are: Seoul 33 degrees, Incheon 33 degrees, Suwon 32 degrees, Chuncheon 30 degrees, Gangneung 26 degrees, Cheongju 32 degrees, Daejeon 31 degrees, Jeonju 33 degrees, Gwangju 33 degrees, Daegu 31 degrees, Busan 31 degrees, and Jeju 30 degrees.

Meanwhile, fine dust levels are expected to be at a 'good' level across all regions.




* This article has been translated by AI.

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