Forecast morning lows include 8C in Seoul, 7C in Chuncheon, 8C in Gangneung, 6C in Daejeon, 7C in Jeonju, 7C in Gwangju, 4C in Daegu, 10C in Busan and 11C on Jeju Island.
Afternoon highs are expected to reach 27C in Seoul, 29C in Chuncheon, 25C in Gangneung, 30C in Daejeon, 30C in Jeonju, 31C in Gwangju, 27C in Daegu, 21C in Busan and 19C on Jeju.
Seoul is forecast to rise from 8C in the morning to 27C in the afternoon, a 19C swing. Daejeon is expected to climb from 6C to 30C, and Gwangju from 7C to 31C, with inland areas seeing especially large gaps.
Conditions will also be dry. A dry weather advisory has been issued for northwestern Seoul and for Chuncheon, Gangneung, Daejeon, Jeonju and Daegu, and authorities urged caution to prevent wildfires and other fires.
The Korea Meteorological Administration said that even if temperatures rise sharply during the day, it may feel cool in the morning and at night, advising people to bring a light outer layer when going out.
* This article has been translated by AI.
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