5-day weather forecast Chengdu Sep 12, 2026

19°15–21° · Overcast

Weather forecast Chengdu today Sep 12, 2026: smoky haze, temperature from 15 °C to 21 °C.

Precipitation probability 37%. Wind up to 2.31 m/s (gusts 7.11 m/s). Air humidity 60–88%, atmospheric pressure 764–767 mm Hg, UV index up to 3.1.

Sunrise 06:46
Sunset 19:13
New Moon3% illuminated
Moonrise 07:35 · Moonset 19:41
Chart
Table
Sat, Sep 12, 2026

Forecast from 15 °C to 21 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)181717161615161616161718192021212019192019191919
Precipitation (mm/hr)0.03000000.010.010000000000000.01000.26

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)1002194574568627896100100100899594100100100100100100100100100
Rain chance (%)241327191721192225242220161513151619211719191937

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)1.390.610.811.111.311.50.810.692.191.811.691.611.3910.611.312.112.312221.811.692
Wind gust (m/s)20.640.831.311.831.8910.922.722.332.141.831.6410.614.317.116.312.312.752.832.922.723.61
Wind direction (°)SSW 206°ENE 70°ENE 67°ENE 62°ENE 78°NE 51°SSW 213°SW 227°NNE 18°NE 42°NE 40°NE 39°NE 53°E 97°SSE 168°SSW 204°SW 222°WSW 238°WSW 255°NNE 31°NNE 31°NNE 16°NNE 19°N 354°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)778688888888848483807773706560616571756971727274

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)766766765765765765764765766767767767766766765764764764764764764765766766

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.20.81.51.82.93.13.12.61.20.50.100000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)49.84948.849.852.355.160.569.679.44734.132.429.829.531.533.436.238.441.348.156.766.873.178.7
PM10 (µg/m³)50.249.44950.152.555.46170.380.147.334.332.730.329.93233.836.738.841.748.45767.373.678.9
Ozone (O₃) (µg/m³)22181411109651235689611513014114714914513111294817061
NO₂ (µg/m³)67.86969.87171.971.168.864.85845.830.719.113.811.911.511.312.516.826.438.949.255.359.161.1
SO₂ (µg/m³)6.46.56.87.37.98.48.68.78.68.17.46.765.34.84.54.44.555.76.36.777
CO (µg/m³)1077109110759878678018519541004945834736666609588623694759804842873906930915
Sat, Sep 12, 2026

Frequently asked questions about the 5-day weather in Chengdu

What will the weather be like in Chengdu over the next 5 days?

Over the next 5 days in Chengdu the temperature is expected to range from about 15 to 27 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Chengdu?

The chance of rain in Chengdu over the next 5 days reaches 72%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Chengdu?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Chengdu will be the warmest and which the coolest?

Over the next 5 days the temperature in Chengdu ranges from about 15 to 27 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Chengdu over the next 5 days?

Over the next 5 days the wind in Chengdu picks up to 4 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Chengdu is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 72%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Chengdu?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

Will I need an umbrella or sunscreen in Chengdu this week?

Rain reaches a 72% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 3.1; sunscreen is worth it from about 3 upwards.

Chengdu on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.