Tomorrow's Weather Forecast - Incheon

Tomorrow's weather in Incheon. high 24°C (75°F), low 19°C (66°F). Overcast.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Expect pleasant, mostly clear skies with little chance of rain. Humidity stays high near 81%, so it will feel muggier and stickier than the temperature alone suggests. A light breeze near 14 km/h is expected. Sunrise is at 6:13 AM and sunset at 6:44 PM, for about 12h 32m of daylight.

Tomorrow
24°/ 19°
Today24° / 16°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon20°
Rain probability
10%
Wind speed
7 km/h
AfternoonNoon – 6 PM23°
Rain probability
6%
Wind speed
14 km/h
Evening6 PM – Midn22°
Rain probability
0%
Wind speed
10 km/h
NightMidn – 6 AM19°
Rain probability
5%
Wind speed
9 km/h

24-Hour Rain & Temperature Forecast

Tomorrow13 Sep
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Temperature · peaks at +24°C

Planning Advice for Tomorrow

Clothing
Light layers work well; a jacket for the evening.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 5:43 AM
Total Daylight
Full day forecastSolar noon 12:28 PM
Sunset
Dusk 7:14 PM
vs today-2 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Incheon is forecast to reach a high of 24°C tomorrow, with an overnight low around 19°C. That's 1° below the long-term average high of 25°C for this time of year. Expect little chance of rain (10% probability) and a gentle breeze averaging 14 km/h. Air quality is currently Moderate (AQI 92), driven mainly by PM2.5 at 32 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.