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Weather in Koesan, South Korea 🇰🇷

Weather Forecast in Koesan

Current Weather in Koesan

Partly cloudy
24°C
Feels like 27°C. Partly cloudy.
🌬️ 4 km/h E
💧 94% Humidity
🧭 1002 hPa
👁️ 9.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 22°C
🌅 Sunrise: 05:24 AM
🌇 Sunset: 07:45 PM
Map Overlays:

In Koesan right now it is 24°C and partly cloudy, feeling like 27°C. Humidity is 94% with winds around 4 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Koesan range from about 21°C to 29°C.

Hourly Forecast for Koesan

04:00
Light rain shower
23°
68%
05:00
Light rain shower
23°
71%
06:00
Fog
23°
53%
07:00
Fog
23°
54%
08:00
Light rain shower
23°
48%
09:00
Light rain shower
23°
48%
10:00
Light drizzle
24°
74%
11:00
Light rain shower
24°
67%
12:00
Light rain shower
24°
60%
13:00
Mist
24°
50%
14:00
Mist
24°
43%
15:00
Mist
24°
46%
16:00
Mist
24°
42%
17:00
Mist
24°
42%
18:00
Mist
24°
41%
19:00
Mist
23°
39%
20:00
Fog
23°
42%
21:00
Fog
23°
42%
22:00
Fog
22°
42%
23:00
Fog
22°
42%
00:00
Fog
22°
43%
01:00
Light drizzle
22°
58%
02:00
Fog
22°
55%
03:00
Light rain shower
22°
58%

14-Day Forecast for Koesan

Sun, Jul 19
Fog Fog
24° / 22°
Mon, Jul 20
Light rain shower Light rain shower
29° / 22°
Tue, Jul 21
Light rain shower Light rain shower
28° / 21°
Wed, Jul 22
Light rain shower Light rain shower
26° / 22°
Thu, Jul 23
Patchy rain nearby Patchy rain nearby
31° / 22°
Fri, Jul 24
Partly Cloudy Partly Cloudy
32° / 21°
Sat, Jul 25
Patchy rain nearby Patchy rain nearby
32° / 21°
Sun, Jul 26
Mist Mist
29° / 21°
Mon, Jul 27
Patchy rain nearby Patchy rain nearby
30° / 21°
Tue, Jul 28
Patchy rain nearby Patchy rain nearby
32° / 21°
Wed, Jul 29
Sunny Sunny
33° / 21°
Thu, Jul 30
Sunny Sunny
34° / 22°
Fri, Jul 31
Light rain shower Light rain shower
33° / 21°
Sat, Aug 01
Patchy rain nearby Patchy rain nearby
27° / 22°

Additional Forecasts for Koesan

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 181.0 μg/m³
O₃ (Ozone) 73.0 μg/m³
NO₂ (Nitrogen Dioxide) 12.6 μg/m³
SO₂ (Sulphur Dioxide) 2.8 μg/m³
PM2.5 (Fine particles) 3.7 μg/m³
PM10 (Coarse particles) 3.8 μg/m³

Historical Weather

Weather Forecasts for Other Cities in South Korea

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Best Time to Be Outside in Koesan Today

The most comfortable window in Koesan today looks like 19:00 to 19:00, when it is around 23°C. The next likely rain is around 04:00.

Frequently Asked Questions about Weather in Koesan

What is the temperature in Koesan right now?

The current temperature in Koesan is 24°C (76°F), partly cloudy (feels like 27°C).

What's the weather like in Koesan right now?

Conditions in Koesan right now: Partly cloudy, humidity 94%, wind 4 km/h E.

What is today's forecast for Koesan?

Today in Koesan: high 24°C, low 22°C, fog. Chance of rain: 92%.

What is the 7-day weather forecast for Koesan?

Daily highs and lows for Koesan:

  • 2026-07-19: 24°C / 22°C
  • 2026-07-20: 29°C / 22°C
  • 2026-07-21: 28°C / 21°C
  • 2026-07-22: 26°C / 22°C
  • 2026-07-23: 31°C / 22°C
  • 2026-07-24: 32°C / 21°C
  • 2026-07-25: 32°C / 21°C
Is it going to rain in Koesan today?

There is a 92% chance of rain in Koesan today. Total expected precipitation: 4.83 mm.

What is the wind speed in Koesan right now?

Wind in Koesan is currently 4 km/h (3 mph) from the E.

What is the UV index in Koesan right now?

The UV index in Koesan is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇰🇷 South Korea: Seoul · Busan · Incheon · Daegu · Gwangju · Daejeon · Suwon · Goyang-si · Seongnam-si · Changwon · Ulsan · Bucheon-si · Cheongju-si · Ansan-si · Cheonan · Jeonju · Hwaseong-si · Anyang-si · Kimhae · Pohang · Jeju City · Uijeongbu-si · Masan · Gumi · Pyeongtaek · Gwangmyeong · Sejong · Yangsan · Wŏnju · Chinju · Iksan · Yeosu · Gunpo · Mokpo · Hanam · Gunsan · Suncheon · Chuncheon · Chungju · Icheon-si · Guri-si · Gangneung · Yangju · Seogwipo · Osan · Andong · Gyeongju · Gimcheon · Jeongeup · Gyeongsan-si