Weather in Seongnam-si, South Korea 🇰🇷
The current temperature in Seongnam-si is 21°C, clear, feeling like 21°C. Humidity is 74% with winds around 9 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Seongnam-si from about 17°C to 28°C.
Hourly Forecast for Seongnam-si
14-Day Forecast for Seongnam-si
Sunny
Overcast
Sunny
Sunny
Sunny
Sunny
Overcast
Overcast
Patchy rain nearby
Patchy rain nearby
Light rain shower
Overcast
Overcast
Sunny
Additional Forecasts for Seongnam-si
Air Quality
Historical Weather
Weather Forecasts for Other Cities in South Korea
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Best Time to Be Outside in Seongnam-si Tomorrow
There is no good daylight window left in Seongnam-si today. Tomorrow, the most comfortable window looks like 09:00 to 12:00, when it is around 22°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Seongnam-si
What is the temperature in Seongnam-si right now?
Seongnam-si is sitting at 21°C (69°F) right now, clear (feels like 21°C).
What's the weather like in Seongnam-si right now?
Right now Seongnam-si has Clear, humidity 74%, wind 9 km/h ENE.
What is today's forecast for Seongnam-si?
Today in Seongnam-si: high 28°C, low 18°C, sunny. Chance of rain: 5%.
What is the 7-day weather forecast for Seongnam-si?
Daily highs and lows for Seongnam-si:
- 2026-09-04: 28°C / 18°C
- 2026-09-05: 27°C / 17°C
- 2026-09-06: 27°C / 17°C
- 2026-09-07: 27°C / 15°C
- 2026-09-08: 28°C / 15°C
- 2026-09-09: 21°C / 14°C
- 2026-09-10: 24°C / 12°C
Is it going to rain in Seongnam-si today?
There is a 5% chance of rain in Seongnam-si today.
What is the wind speed in Seongnam-si right now?
Wind in Seongnam-si is currently 9 km/h (5 mph) from the ENE.
What is the UV index in Seongnam-si right now?
The UV index in Seongnam-si is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
