Tomorrow's Weather Forecast - Chengdu

Tomorrow's weather in Chengdu. high 24°C (75°F), low 16°C (61°F). Overcast.

Tomorrow’s Outlook

Tomorrow will be 2°C warmer than today. Light rain is possible, though a 29% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 79% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 79%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 4 km/h. Sunrise is at 6:45 AM and sunset at 7:13 PM, for about 12h 27m of daylight.

Tomorrow
24°/ 16°
Today22° / 18°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon19°
Rain probability
2%
Wind speed
4 km/h
AfternoonNoon – 6 PM24°
Rain probability
14%
Wind speed
4 km/h
Evening6 PM – Midn23°
Rain probability
29%
Wind speed
3 km/h
NightMidn – 6 AM17°
Rain probability
0%
Wind speed
2 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
··
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00

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 6:15 AM
Total Daylight
Full day forecastSolar noon 12:59 PM
Sunset
Dusk 7:43 PM
vs today-2 min daylight
Sunrise shiftSame time
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Chengdu is forecast to reach a high of 24°C tomorrow, with an overnight low around 16°C. That's 4° below the long-term average high of 28°C for this time of year. Expect a low chance of rain (29% probability) and light winds averaging 4 km/h. Air quality is currently Unhealthy for Sensitive Groups (AQI 130), driven mainly by PM2.5 at 54 μg/m³.

Today vs Normal

22°C-6° below normal

The long-term average high for today is 28°C.

14 of the last 19 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.

2026-08-19: 31°C31°2026-08-20: 30°C30°2026-08-21: 33°C33°2026-08-22: 34°C34°2026-08-23: 35°C35°2026-08-24: 35°C35°2026-08-25: 36°C36°2026-08-26: 34°C34°2026-08-27: 36°C36°2026-08-28: 34°C34°2026-08-29: 27°C27°2026-08-30: 34°C34°

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

Air Quality

Air Quality
Unhealthy for Sensitive Groups

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.