[Tomorrow's Weather] Nationwide 'Sweltering Heat'... Heat Persists Through the Night

On Sunday, the 12th, a nationwide heatwave is expected, with temperatures in some regions reaching as high as 37 degrees Celsius.

As the heatwave intensifies, the daytime high temperature in Seoul recorded 36 degrees Celsius on the 25th. Children are cooling off by playing in the water at the "2025 Seoul Summer Beach Swimming Pool" set up in Gwanghwamun, Seoul. 2025.7.25 Photo by Cho Yongjun

The morning low is forecast to range between 23 and 26 degrees Celsius, while the daytime high is expected to be between 31 and 37 degrees Celsius.

For the time being, most parts of the country will continue to experience scorching temperatures, with daytime highs exceeding 33 degrees Celsius.

Tropical nights, where temperatures remain above 25 degrees Celsius even at night, are also expected across the country.

There is also a chance of rain.

In the morning, showers are expected along the southern coast of South Jeolla Province and Jeju Island, while in the afternoon, showers are forecast for eastern Gyeonggi Province, inland Gangwon Province, South Chungcheong Province, and northern Jeolla Province.

Expected precipitation amounts are 5 to 40 mm for eastern Gyeonggi Province, inland Gangwon Province, South Chungcheong Province, and eastern North Jeolla Province. In Jeju Island, mountainous areas are forecast to receive 30 to 80 mm, while other areas are expected to receive 5 to 30 mm.

Swells are also something to watch out for along the southern coast.

Wave heights are expected to be 0.5 to 2.0 meters in the East Sea and West Sea coastal waters, and 0.5 to 3.0 meters in the South Sea coastal waters. In the offshore areas (within approximately 200 kilometers from the coastline), wave heights are forecast to be 0.5 to 1.5 meters in the East Sea, 1.0 to 4.0 meters in the West Sea, and 1.5 to 4.0 meters in the South Sea.

This content was produced with the assistance of AI translation services.