🇰🇷 Weather in Ulsan
Current Weather in Ulsan
22°C
Feels like 19°C. Sunny.
🌬️ 8 km/h N
💧 32% Humidity
🧭 1022 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 4.7
🌡️ Dew Point: 4°C
🌅 Sunrise: 06:22 AM
🌇 Sunset: 05:58 PM
Map Overlays:
Hourly Forecast for Ulsan
14:00
23°
1%
15:00
23°
1%
16:00
22°
1%
17:00
19°
2%
18:00
14°
3%
19:00
13°
4%
20:00
13°
4%
21:00
12°
4%
22:00
12°
4%
23:00
12°
5%
00:00
12°
5%
01:00
12°
6%
02:00
12°
6%
03:00
12°
7%
04:00
12°
7%
05:00
11°
8%
06:00
11°
8%
07:00
12°
8%
08:00
16°
5%
09:00
20°
3%
10:00
22°
2%
11:00
23°
1%
12:00
24°
1%
13:00
24°
1%
14-Day Forecast for Ulsan
Wed, Oct 07
Sunny
23° /
10°
Thu, Oct 08
Sunny
24° /
11°
Fri, Oct 09
Sunny
26° /
11°
Sat, Oct 10
Overcast
25° /
14°
Sun, Oct 11
Light rain shower
23° /
18°
Mon, Oct 12
Patchy rain nearby
24° /
17°
Tue, Oct 13
Patchy rain nearby
26° /
18°
Wed, Oct 14
Sunny
23° /
10°
Thu, Oct 15
Sunny
21° /
8°
Fri, Oct 16
Sunny
21° /
10°
Sat, Oct 17
Overcast
23° /
11°
Sun, Oct 18
Overcast
25° /
14°
Mon, Oct 19
Patchy rain nearby
24° /
17°
Tue, Oct 20
Patchy rain nearby
22° /
17°
Additional Forecasts for Ulsan
Marine Forecast
Tide Forecast
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 377.0
μg/m³
O₃ (Ozone) 83.0
μg/m³
NO₂ (Nitrogen Dioxide) 17.6 μg/m³
SO₂ (Sulphur Dioxide) 14.5
μg/m³
PM2.5 (Fine particles) 8.6 μg/m³
PM10 (Coarse particles) 12.5 μg/m³
Local Sports Events
Historical Weather
Weather Forecasts for Other Cities in South Korea
Learn More about Weather
FAQ — Weather in Ulsan
Common questions about this page — answers customized for the data shown above.
The current weather in Ulsan is sunny with a temperature of 22°C (feels like 19°C). Humidity is at 32% and wind speed is 8 km/h. Browse weather for other cities for comparison.
Tomorrow's forecast for Ulsan shows sunny with a high of 24°C and a low of 11°C. There is a 4% chance of rain. Tomorrow’s sunrise and sunset times for Ulsan are also available.
Over the next 7 days in Ulsan, temperatures are forecast to range from a low of 10°C to a high of 26°C. The 7-day forecast table above shows day-by-day conditions, precipitation probability and hourly breakdowns. For weather in nearby cities, see South Korea city pages.
Based on the latest forecast, rain is likely in Ulsan on Saturday, Sunday, and Monday (50%+ chance of precipitation). The hourly forecast above gives more precise timing for any showers expected in the next 24 hours.
Tuesday is forecast to be the warmest day in Ulsan this week, with a high of 26°C and patchy rain nearby conditions expected.
Ulsan sits at approximately 35.5° north latitude, which generally produces a temperate or subtropical climate, with warm summers, mild winters and moderate seasonal variation. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.
Climatically, the best time to visit Ulsan is generally April to June and September to October (Northern Hemisphere spring and autumn) — outside the extremes of summer heat and winter chill. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.
In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. Ulsan follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.