Ulsan weather for today, tomorrow and the next 14 days, compared across three independent forecast sources so you can see where they agree before you plan your day. Right now it is 17°C and sunny in Ulsan. Tomorrow's forecast: highs of 16°C, lows of 10°C with a 33% chance of rain.
Sources: Open-Meteo, OpenWeather, WeatherAPI · Updated every 12 hours
UlsanSouth Korea
Updated 04:00 PM
Sunny
Feels like 16°
Forecast Comparison
See how independent weather sources forecast the same location right now.
Forecast agreement
Sources show notable variationTemperature range
17° – 19°
Rain probability
0% – 63%
Wind speed
17 km/h – 18 km/h
Temperature by provider
Hourly forecast
16-day forecast
Rain forecast
Precipitation probability: 33%Hourly precipitation timeline
Wind
Direction: NW
Current wind
17 km/h
Gusts
40 km/h
Hourly wind
Daily wind
Weather alerts
No active weather alerts.
Weather map
Ulsan this time of year
- It cools down fast from here: November is about 5°C cooler.
- Skies are at their clearest this time of year.
- There's little difference between day and night (around 5°C).
Planning a trip to Ulsan? Save or share this forecast.
Ulsan weather overview: climate, seasons and what to expect
Ulsan, South Korea, sits at approximately 35.54°N, 129.32°E and is home to about 963,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.
Ulsan has a humid subtropical climate: hot, humid summers and mild winters. The warmest month is August, with highs around 28°C; the coolest is January, when nights average 0°C. July is usually the wettest month (about 215 mm). Close to Ulsan, you can also check Gyeongju (35 km), Busan (55 km) and Daegu (75 km).
Frequently asked questions
- What is the weather in Ulsan today?
- Right now Ulsan shows sunny conditions at around 17°C (feels like 16°C), based on OpenWeatherMap. The chance of rain today is about 0%. Compare this with the other sources above for a fuller picture.
- What is the weather in Ulsan tomorrow?
- Tomorrow in Ulsan: expect a high of 16°C and a low of 10°C, with a 33% chance of rain. See the hourly breakdown above for more detail.
- Will it rain in Ulsan today?
- The precipitation probability for Ulsan is around 0% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.
- What is the 14-day forecast for Ulsan?
- The 14-day forecast above shows daily highs, lows and rain probability for Ulsan from multiple sources; compare them to see how confident the outlook is.
Nearby cities
Highs 5° – 29°C (warmest in Aug, coolest in Jan)
Highs 6° – 29°C (warmest in Aug, coolest in Jan)
Highs 2° – 30°C (warmest in Aug, coolest in Jan)
Highs 1° – 30°C (warmest in Aug, coolest in Jan)
Highs 3° – 30°C (warmest in Aug, coolest in Jan)
Highs 4° – 29°C (warmest in Aug, coolest in Jan)
Looking for another country? Browse all 227+ countries