Tomorrow's Weather Forecast - Busan

Tomorrow's weather in Busan. high 27°C (81°F), low 20°C (68°F). Mainly Clear.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Expect pleasant, mostly clear skies with little chance of rain. Humidity stays high near 75%, so it will feel muggier and stickier than the temperature alone suggests. A light breeze near 14 km/h is expected. Sunrise is at 6:04 AM and sunset at 6:35 PM, for about 12h 32m of daylight.

Tomorrow
27°/ 20°
Today27° / 20°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon23°
Rain probability
0%
Wind speed
13 km/h
AfternoonNoon – 6 PM27°
Rain probability
0%
Wind speed
14 km/h
Evening6 PM – Midn24°
Rain probability
0%
Wind speed
14 km/h
NightMidn – 6 AM21°
Rain probability
0%
Wind speed
10 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +27°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 5:34 AM
Total Daylight
Full day forecastSolar noon 12:20 PM
Sunset
Dusk 7:05 PM
vs today-2 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Busan is forecast to reach a high of 27°C tomorrow, with an overnight low around 20°C. That's 2° above the long-term average high of 25°C for this time of year. It continues a recent pattern — 17 of the last 19 days with published data have run warmer than normal. Expect little chance of rain (0% probability) and a gentle breeze averaging 14 km/h. Air quality is currently good (AQI 48), with no notable outdoor health concerns.

Today vs Normal

27°C+2° above normal

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

17 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-19: 30°C30°2026-08-20: 31°C31°2026-08-21: 30°C30°2026-08-22: 30°C30°2026-08-23: 32°C32°2026-08-24: 32°C32°2026-08-25: 33°C33°2026-08-26: 33°C33°2026-08-27: 31°C31°2026-08-28: 29°C29°2026-08-29: 30°C30°2026-08-30: 31°C31°

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

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.