Today's Weather Forecast - Seoul

Today's weather in Seoul. high 25°C (77°F), low 14°C (57°F). Mainly Clear.

Today’s Hourly Weather Outlook

Morning6 AM – Noon17°
Wind speed
3 km/h
Rain probability
0%
AfternoonNoon – 6 PM24°
Wind speed
6 km/h
Rain probability
0%
Evening6 PM – Midn21°
Wind speed
3 km/h
Rain probability
0%
NightMidn – 6 AM16°
Wind speed
4 km/h
Rain probability
0%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 5:40 AM
Total Daylight
Day completeSolar noon 12:28 PM
Sunset
Dusk 7:16 PM
RemainingDaylight ended
Solar elevation-47°
vs yesterday-4 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Moderate
Dominant pollutant
Dominant: PM2.5
Monitoring station
Seoul (서울)
PM2.5
57μg/m³
PM10
32μg/m³
O₃
24ppb
NO₂
15.4ppb
SO₂
5ppb
CO
5.3ppm
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Seoul is forecast to reach a high of 25°C today, with an overnight low around 14°C. Expect little chance of rain (0% probability) and light winds averaging 6 km/h. Air quality is currently Moderate (AQI 91), driven mainly by PM2.5 at 32 μg/m³.

Today vs Normal

25°C0° below normal

The long-term average high for today is 25°C.

23 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-28: 29°C29°2026-08-29: 29°C29°2026-08-30: 27°C27°2026-08-31: 25°C25°2026-09-01: 24°C24°2026-09-02: 28°C28°2026-09-03: 29°C29°2026-09-04: 28°C28°2026-09-05: 27°C27°2026-09-06: 27°C27°2026-09-07: 27°C27°2026-09-08: 28°C28°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.