Early summer weather is expected to continue on the 14th.
According to the Korea Meteorological Administration on the 13th, daytime temperatures in inland areas nearly reached 30 degrees. In Cheongpyeong-ri, Cheongpyeong-myeon, Gapyeong County, Gyeonggi, the temperature reached 29.7 degrees around 3 p.m. In Gimhae, South Gyeongsang, the midday temperature rose to 28.8 degrees, the highest for mid-April since weather observations began there in February 2008. Tongyeong, South Gyeongsang, also hit 25.0 degrees, the highest mid-April temperature since observations began in January 1968. In Seoul, the daytime high was 27.3 degrees, 10 degrees above the average high for the day (17.3 degrees).
The heat on this day occurred as the entire country except Jeju came under the influence of a high-pressure system. With clear skies and strong sunshine, it felt like early summer.
Temperatures on the 14th will be similar to this day. The morning low nationwide will be 7–12 degrees, and the daytime high will be 15–28 degrees. Daytime temperatures in central regions excluding Yeongdong, Gangwon, and in inland Honam will exceed 25 degrees.
Forecast lows and highs for major cities are Seoul 12 and 27 degrees, Incheon 12 and 25, Daejeon 11 and 26, Gwangju 12 and 26, Daegu 9 and 20, Ulsan 11 and 19, and Busan 12 and 19. Daytime temperatures in Dongducheon, Yeoncheon, and Namyangju, Gyeonggi, will rise to 28 degrees. Inland areas will also see day-night temperature differences of around 15 degrees.
Jeju and the south coast will see rain as a low-pressure system passes. On Jeju, rain is expected from the early morning of the 14th through the morning of the 15th, and along the South Jeolla coast and the South Gyeongsang south coast, occasional rain is forecast from the afternoon to night on the 14th. Expected rainfall is 5–30 mm on Jeju and less than 5 mm on the south coast.
From the afternoon of the 14th through the 15th, strong winds of 30–50 km/h (8–14 m/s) and waves of 1.5–3.0 meters are expected in the eastern outer waters of the western South Sea, the inner outer waters of the eastern South Sea, the eastern offshore waters of Jeju, and the inner outer waters southeast of Jeju.