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Weather in Ulsan, South Korea 🇰🇷

Weather Forecast in Ulsan

Current Weather in Ulsan

Sunny
31°C
Feels like 37°C. Sunny.
🌬️ 22 km/h SSW
💧 71% Humidity
🧭 1007 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 1.8
🌡️ Dew Point: 23°C
🌅 Sunrise: 05:22 AM
🌇 Sunset: 07:35 PM
Map Overlays:

Ulsan currently sits at 31°C, sunny, feeling like 37°C. Humidity is 71% with winds around 22 km/h, and the UV index is 2 (low). Over the next few days, temperatures in Ulsan range from about 22°C to 34°C.

Hourly Forecast for Ulsan

18:00
Sunny
29°
7%
19:00
Sunny
27°
9%
20:00
Clear
25°
12%
21:00
Clear
25°
14%
22:00
Clear
24°
16%
23:00
Mist
24°
22%
00:00
Mist
24°
22%
01:00
Mist
24°
21%
02:00
Mist
23°
21%
03:00
Mist
23°
21%
04:00
Mist
23°
21%
05:00
Mist
23°
22%
06:00
Mist
24°
22%
07:00
Sunny
26°
14%
08:00
Sunny
28°
9%
09:00
Sunny
30°
5%
10:00
Sunny
31°
4%
11:00
Sunny
32°
3%
12:00
Sunny
33°
2%
13:00
Sunny
34°
3%
14:00
Sunny
34°
3%
15:00
Sunny
33°
3%
16:00
Sunny
33°
3%
17:00
Sunny
32°
3%

14-Day Forecast for Ulsan

Tue, Jul 21
Sunny Sunny
32° / 23°
Wed, Jul 22
Sunny Sunny
34° / 23°
Thu, Jul 23
Sunny Sunny
34° / 22°
Fri, Jul 24
Sunny Sunny
34° / 22°
Sat, Jul 25
Partly Cloudy Partly Cloudy
34° / 22°
Sun, Jul 26
Sunny Sunny
32° / 23°
Mon, Jul 27
Sunny Sunny
33° / 24°
Tue, Jul 28
Sunny Sunny
35° / 24°
Wed, Jul 29
Sunny Sunny
35° / 24°
Thu, Jul 30
Sunny Sunny
36° / 24°
Fri, Jul 31
Sunny Sunny
35° / 23°
Sat, Aug 01
Sunny Sunny
36° / 23°
Sun, Aug 02
Sunny Sunny
35° / 24°
Mon, Aug 03
Sunny Sunny
34° / 24°

Additional Forecasts for Ulsan

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 149.0 μg/m³
O₃ (Ozone) 102.0 μg/m³
NO₂ (Nitrogen Dioxide) 8.4 μg/m³
SO₂ (Sulphur Dioxide) 5.0 μg/m³
PM2.5 (Fine particles) 9.6 μg/m³
PM10 (Coarse particles) 13.7 μg/m³

Historical Weather

Weather Forecasts for Other Cities in South Korea

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Best Time to Be Outside in Ulsan Tomorrow

There is no good daylight window left in Ulsan today. Tomorrow, the most comfortable window looks like 07:00 to 09:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Ulsan

What is the temperature in Ulsan right now?

Ulsan is sitting at 31°C (88°F) right now, sunny (feels like 37°C).

What's the weather like in Ulsan right now?

Right now Ulsan has Sunny, humidity 71%, wind 22 km/h SSW.

What is today's forecast for Ulsan?

Today in Ulsan: high 32°C, low 23°C, sunny. Chance of rain: 9%.

What is the 7-day weather forecast for Ulsan?

Daily highs and lows for Ulsan:

  • 2026-07-21: 32°C / 23°C
  • 2026-07-22: 34°C / 23°C
  • 2026-07-23: 34°C / 22°C
  • 2026-07-24: 34°C / 22°C
  • 2026-07-25: 34°C / 22°C
  • 2026-07-26: 32°C / 23°C
  • 2026-07-27: 33°C / 24°C
Is it going to rain in Ulsan today?

There is a 9% chance of rain in Ulsan today.

What is the wind speed in Ulsan right now?

Wind in Ulsan is currently 22 km/h (13 mph) from the SSW.

What is the UV index in Ulsan right now?

The UV index in Ulsan is currently 1.8 (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