5-day weather forecast Guangzhou Sep 18, 2026

31°27–33° · Smoky haze

Weather forecast Guangzhou today Sep 18, 2026: smoky haze, temperature from 27 °C to 33 °C.

Precipitation probability 23%. Wind up to 3.61 m/s (gusts 4.11 m/s). Air humidity 50–80%, atmospheric pressure 758–761 mm Hg, UV index up to 7.8.

Sunrise 06:14
Sunset 18:27
First Quarter53% illuminated
Moonrise 12:57 · Moonset 23:34
Chart
Table
Fri, Sep 18, 2026

Forecast from 27 °C to 33 °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)282727272727272727293031323333333333323130292929
Precipitation (mm/hr)0000000000.010.020.010.020.010.02000000.01000

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 (%)8096100100100100100989510010092819392931001001001001002203
Rain chance (%)151921222223232220191714111211101112121314444

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)3.192.612.392.191.811.391.1910.390.891.391.691.811.891.811.691.311.310.892.53.6132.812.89
Wind gust (m/s)4.113.423.112.922.221.751.4210.831.391.611.922.192.312.2221.891.611.423.144.033.423.534.11
Wind direction (°)S 182°S 176°S 173°S 182°S 190°SSW 195°SSW 198°SSW 195°SE 132°ENE 68°ENE 78°E 84°E 89°E 98°ESE 110°ESE 110°E 85°NE 47°E 82°SSE 158°S 184°S 186°S 172°S 185°

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 (%)737576777879807976716661575350505051535658606263

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)760760759759759759760760761761761761761760759758758758758759760761761761

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 Index00000000.20.82.24.16.27.57.86.43.91.60.50.100000

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)179.3132.2104.186.673.36460.869.655.947.74444.647.549.149.650.552.553.977.5105.9127.1133.2131.8120.6
PM10 (µg/m³)180.7133.2105.28875.266.864.774.361.553.849.14749.150.450.851.753.655.178.7107.1128.5134.6132.7122
Ozone (O₃) (µg/m³)00001461024559714018723527029129927820610631545
NO₂ (µg/m³)186.8168.1151.9141.1132.6124.1115.2106.195.180.363.548.63625.419.415.716.732.577.8137.9178.9183.1168.3153.8
SO₂ (µg/m³)39.737.936.836.937.63942.24647.645.240.635.630.424.920.61816.516.518.321.524.928.532.335.6
CO (µg/m³)7917447166976967207999029438677306125344764504635095877198811006106410841081
Fri, Sep 18, 2026

Frequently asked questions about the 5-day weather in Guangzhou

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

Over the next 5 days in Guangzhou the temperature is expected to range from about 25 to 36 °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 Guangzhou?

The chance of rain in Guangzhou over the next 5 days reaches 82%. 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 Guangzhou?

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 Guangzhou will be the warmest and which the coolest?

Over the next 5 days the temperature in Guangzhou ranges from about 25 to 36 °C. Compare the warmest and coolest day on the temperature chart above.

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

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

Which day of the week in Guangzhou 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 82%) and light wind — easy to compare on the 5-day charts above.

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

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 Guangzhou this week?

Rain reaches a 82% 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 7.8; sunscreen is worth it from about 3 upwards.

Guangzhou 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.