Weather Forecast: Showers Expected Across Inland Areas with Highs Reaching 33 Degrees

by AJP Posted : June 18, 2026, 05:52Updated : June 18, 2026, 05:52
The ground at Gwanghwamun Square in Seoul is heated by the strong sunlight. Photo by Yonhap News
The ground at Gwanghwamun Square in Seoul is heated by the strong sunlight. [Photo by Yonhap News]

On Thursday, the 18th, the weather across the country is expected to be partly cloudy, with showers likely in inland areas.

According to the Korea Meteorological Administration, the weather will be partly cloudy nationwide, except for Jeju Island, which will become increasingly overcast by night. Jeju will experience mostly cloudy conditions with occasional light rain from morning to afternoon.

In the afternoon, showers are expected in southern inland areas of Gyeonggi Province, central and southern inland and mountainous regions of Gangwon Province, inland areas of Chungcheong, Jeolla, and Gyeongsang provinces. Rainfall is forecasted to be between 5 to 30 millimeters.

Areas experiencing showers may also face gusty winds, thunder, and lightning, prompting caution regarding facility management and safety incidents. There is also a possibility of hail in some regions.

The morning low temperatures are predicted to range from 18 to 22 degrees Celsius, while the daytime highs are expected to reach between 26 and 33 degrees Celsius.

Expected low and high temperatures for major regions include: Seoul 21-30 degrees, Incheon 21-27 degrees, Suwon 20-30 degrees, Chuncheon 19-30 degrees, Gangneung 22-29 degrees, Cheongju 22-31 degrees, Daejeon 21-30 degrees, Sejong 21-30 degrees, Jeonju 22-32 degrees, Gwangju 23-32 degrees, Daegu 22-32 degrees, Busan 22-27 degrees, Ulsan 22-30 degrees, Changwon 22-29 degrees, and Jeju 22-25 degrees.

In the coming days, temperatures are expected to rise, leading to hot weather across most regions. Sea waves are forecasted to reach heights of 0.5 to 1.5 meters in the Yellow Sea, South Sea, and East Sea.





* This article has been translated by AI.