[Weather] Unseasonably Hot Again Tomorrow... Seoul to Reach 26°C at Noon

Tomorrow, inland regions will continue to experience unseasonably hot weather.

On April 15, under clear skies, daytime temperatures in Seoul will reach up to 26 degrees Celsius, about 5 to 8 degrees higher than the average for this time of year.

On the 23rd, which saw the warmest weather this spring, citizens visiting Gwanghwamun Square in Jongno, Seoul, enjoyed the spring in light clothing. March 23, 2026. Photo by Jo Yongjun

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In contrast, the east coast, which will be affected by easterly winds, will remain relatively cool, with Gangneung staying at 16 degrees Celsius.

Jeju Island will see about 5 to 10 mm of rain until tomorrow morning.

Other regions will be mostly clear, but dry weather advisories will remain in effect for southern mountainous areas of Gangwon and for Chungbuk.

Tomorrow morning, temperatures will be slightly lower than today, with Seoul and Busan both at 13 degrees Celsius.

Daytime highs will be 26 degrees Celsius in Seoul, 25 degrees in Daejeon and Gwangju, 24 degrees in Daegu, and Pohang will remain at 18 degrees Celsius.

On Friday, rain is expected in regions south of Chungcheong Province, which will temporarily ease the early summer heat.

Waves at sea will be relatively high, reaching up to around 2 meters in most waters.

Rain is forecast for Chungcheong and southern regions on Friday.

For the time being, the temperature difference between morning and afternoon will often exceed 10 degrees Celsius, so caution is advised regarding the large daily temperature variations.

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