Tomorrow's Weather Forecast - Guangzhou

Tomorrow's weather in Guangzhou. high 32°C (90°F), low 23°C (73°F). Overcast.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Light rain is possible, though a 20% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 66% through the day the more moisture in the air, the more readily clouds build into showers. Humidity sits at a moderate 66%, so the air shouldn't feel unusually damp or dry. A light breeze near 13 km/h is expected. Sunrise is at 6:12 AM and sunset at 6:33 PM, for about 12h 21m of daylight.

Tomorrow
32°/ 23°
Today31° / 24°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon26°
Rain probability
0%
Wind speed
12 km/h
AfternoonNoon – 6 PM31°
Rain probability
12%
Wind speed
12 km/h
Evening6 PM – Midn28°
Rain probability
20%
Wind speed
10 km/h
NightMidn – 6 AM24°
Rain probability
0%
Wind speed
13 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +32°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 5:42 AM
Total Daylight
Full day forecastSolar noon 12:23 PM
Sunset
Dusk 7:03 PM
vs today-2 min daylight
Sunrise shiftSame time
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Guangzhou is forecast to reach a high of 32°C tomorrow, with an overnight low around 23°C. That's 1° above the long-term average high of 31°C for this time of year. Expect a low chance of rain (20% probability) and a gentle breeze averaging 13 km/h. Air quality is currently Moderate (AQI 96), driven mainly by PM2.5 at 33 μg/m³.

Today vs Normal

31°C0° below normal

The long-term average high for today is 31°C.

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

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

2026-08-28: 31°C31°2026-08-29: 33°C33°2026-08-30: 29°C29°2026-08-31: 30°C30°2026-09-01: 28°C28°2026-09-02: 27°C27°2026-09-03: 28°C28°2026-09-04: 28°C28°2026-09-05: 32°C32°2026-09-06: 28°C28°2026-09-07: 32°C32°2026-09-08: 33°C33°

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.