Today's Weather Forecast - Incheon

Today's weather in Incheon. high 24°C (75°F), low 13°C (55°F). Mainly Clear.

Today’s Hourly Weather Outlook

Morning6 AM – Noon17°
Wind speed
9 km/h
Rain probability
0%
AfternoonNoon – 6 PM23°
Wind speed
13 km/h
Rain probability
0%
Evening6 PM – Midn22°
Wind speed
9 km/h
Rain probability
0%
NightMidn – 6 AM15°
Wind speed
10 km/h
Rain probability
0%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 5:41 AM
Total Daylight
Day completeSolar noon 12:29 PM
Sunset
Dusk 7:17 PM
RemainingDaylight ended
Solar elevation-35°
vs yesterday-4 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: O3
Monitoring station
Incheon (인천)
PM2.5
30μg/m³
PM10
20μg/m³
O₃
33.2ppb
NO₂
9.6ppb
SO₂
4ppb
CO
5.5ppm
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Incheon is forecast to reach a high of 24°C today, with an overnight low around 13°C. That's 1° below the long-term average high of 25°C for this time of year. Expect little chance of rain (0% probability) and a gentle breeze averaging 13 km/h. Air quality is currently Moderate (AQI 83), driven mainly by PM2.5 at 29 μg/m³.

Today vs Normal

24°C-1° 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.