15-Day Weather Forecast - Chengdu

15-day weather forecast for Chengdu: temperatures from 16°C (61°F) to 29°C (84°F). Average daily high 25°C (77°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +22°C

15-Day Temperature Trend

22°18°TodaySep24°16°Tmrw24°19°Sun27°18°Mon21°19°Tue24°18°Wed26°18°Thu27°21°Fri27°22°Sat29°21°Sun24°20°Mon28°17°Tue24°19°Wed24°19°Thu25°19°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +22°/+18°
    feels +23°0 mm · 14%8 km/hUV 3 · Low
    06:4519:14
  • Sat, Sep 12Tomorrow
    +24°/+16°
    feels +26°0 mm · 29%4 km/hUV 1 · Low
    06:4519:13
  • Sun, Sep 13Sun
    +24°/+19°
    feels +28°9.0 mm · 90%6 km/hUV 7 · Hi
    06:4619:12
  • Mon, Sep 14Mon
    +27°/+18°
    feels +30°0.2 mm · 47%4 km/hUV 7 · Hi
    06:4719:10
  • Tue, Sep 15Tue
    +21°/+19°
    feels +24°20.7 mm · 94%14 km/hUV 2 · Low
    06:4719:09
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  • Wed, Sep 16Wed
    +24°/+18°
    feels +26°16.5 mm · 86%9 km/hUV 2 · Low
    06:4819:08
  • Thu, Sep 17Thu
    +26°/+18°
    feels +29°0 mm · 37%6 km/hUV 5 · Mod
    06:4819:06
  • Fri, Sep 18Fri
    +27°/+21°
    feels +30°2.4 mm · 51%6 km/hUV 2 · Low
    06:4919:05
  • Sat, Sep 19Sat
    +27°/+22°
    feels +30°1.5 mm · 37%8 km/hUV 1 · Low
    06:4919:04
  • Sun, Sep 20Sun
    +29°/+21°
    feels +33°7.5 mm · 37%19 km/hUV 4 · Mod
    06:5019:03
  • Mon, Sep 21Mon
    +24°/+20°
    feels +26°13.2 mm · 57%9 km/hUV 3 · Mod
    06:5119:01
  • Tue, Sep 22Tue
    +28°/+17°
    feels +32°0 mm · 25%6 km/hUV 4 · Mod
    06:5119:00
  • Wed, Sep 23Wed
    +24°/+19°
    feels +27°0 mm · 16%5 km/hUV 7 · Hi
    06:5218:59
  • Thu, Sep 24Thu
    +24°/+19°
    feels +26°0.9 mm · 25%8 km/hUV 5 · Mod
    06:5218:58
  • Fri, Sep 25Fri
    +25°/+19°
    feels +27°0.3 mm · 31%7 km/hUV 7 · Hi
    06:5318:56

Weather Insight

Chengdu's 15-day outlook ranges from a low of 16°C to a high of 29°C, with an average daytime high near 25°C. That's 3° below the long-term average high of 28°C for this time of year. 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.

Extended Outlook for Chengdu

Over the next 15 days, Chengdu is forecast to see temperatures ranging from 16°C to 29°C, averaging a daily high of 25°C. The extended outlook indicates significant rainfall totalling 72.2 mm spread across 10 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.