Source: Women News

What happened

According to Women News, citing the Korea Meteorological Administration (KMA), Saturday, Aug. 22 brings a split weather day across the peninsula: morning rain focused on central regions, then afternoon thunderstorms with gusts and lightning across most of the country, all under daytime heat that could reach 34°C (about 93°F) in several southern cities.

The KMA expects central Korea to stay mostly cloudy, while southern regions and Jeju see considerable cloud cover. Heat advisories and tropical-night warnings were in effect for parts of southern Chungcheong, Jeolla, Gyeongsang, and Jeju as of the forecast.

Morning lows on the 22nd ranged 21–26°C. Forecast afternoon highs included Seoul and Incheon at 30°C, Chuncheon at 28°C, Daejeon and Daegu at 32°C, Jeonju, Gwangju, and Busan at 34°C, and Jeju at 33°C — broadly 28–34°C nationwide.

The breakdown

Morning rain (central focus): Rain is expected through the morning in central Korea. Forecast rainfall ranges include 5–60 mm for the capital region and inland Gangwon, 5–20 mm for Gangwon’s east coast, 5–40 mm for northern Chungnam and central/northern Chungbuk, and 5–20 mm for Ulleungdo and Dokdo.

Afternoon thunderstorms (nationwide): From the afternoon, showers and thunderstorms are expected in many areas nationwide, with 5–60 mm of rain possible where cells hit. The KMA warned that thunderstorm zones can bring sudden gusts, thunder, and lightning, short visibility, and slippery roads, and urged drivers to take care.

Looking ahead: For Sunday, Aug. 23, morning lows are forecast at 22–26°C with afternoon highs of 30–35°C. Monday, Aug. 24 follows a similar pattern: lows 22–26°C, highs 31–35°C.

Why it matters outside Korea

Weekend weather in Korea is not a local curiosity for inbound travelers and expats — it directly shapes outdoor sightseeing windows, intercity driving, and evening comfort in cities still under heat and tropical-night advisories in the south.

A morning-wet, afternoon-stormy Saturday means palace grounds, hiking trails, and coastal walks may work early but turn risky after lunch if a thunder cell sits over your route. The 28–34°C band keeps hydration, shade, and air-conditioned breaks essential for long market or neighborhood walks — and matters if you are stacking Seoul with Busan or Jeju on tight transfer days.

What travelers and expats should watch

• Front-load outdoor plans before noon: Central regions carry morning rain, but clearing may open a narrow window for Gyeongbokgung, Namsan trails, or Han River parks before afternoon thunderstorms spread. Carry a compact rain layer even if the morning looks bright.
• Do not treat “30°C in Seoul” as mild: The capital’s 30°C forecast sits alongside humid, cloudy conditions and possible afternoon cells; schedule indoor lunch and museum blocks for 13:00–17:00 if you are heat-sensitive or traveling with children.
• Re-check Jeju and Busan transfers: Both are forecast at 34°C with storm potential nationwide — airport buses, ferry decks, and coastal drives can see sudden downpours and slick pavement; pad connection times on Saturday afternoon.
• Heat advisories in the south are active signals, not background noise: If your itinerary includes Jeonju, Gwangju, Daegu, or southern coastal towns, plan early dinners and late-morning starts; tropical-night warnings mean evening recovery sleep may stay difficult without AC.

Context

Read this as a typical late-August Korean weekend forecast — hot, humid, and thunderstorm-prone — not as a typhoon landfall or a nationwide washout. Women News’s KMA summary is Aug. 22 / central morning rain / afternoon thunderstorms with gusts and lightning / highs 28–34°C / heat advisories in the south. Korelay’s frame: the actionable travel signal is when to be outside (morning over afternoon) and where heat peaks (Jeonju, Gwangju, Busan at 34°C) while storms remain patchy but serious enough to disrupt driving and walking plans.

Source

Women News: [날씨] 주말 낮최고 34도…중부 비·전국에 소나기 — Korean original; paraphrased for briefing; temperature and rainfall figures as cited from the KMA forecast in Women News; read the original for full detail.