5-day weather forecast Guangzhou Sep 20, 2026

33°26° · Light rain shower

Weather forecast Guangzhou Sunday Sep 20, 2026: light rain shower, temperature from 26 °C to 33 °C.

Precipitation probability 65%. Wind up to 3.19 m/s (gusts 7 m/s). Air humidity 54–85%, atmospheric pressure 758–762 mm Hg, UV index up to 8.6.

Sunrise 06:15
Sunset 18:25
Waxing Gibbous73% illuminated
Moonrise 14:36 · Moonset 00:28
Chart
Table

Forecast from 26 °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)292928272726262727282931323233333232313030292929
Precipitation (mm/hr)0.3400.41.510.710.690.70.640.660.680.4500.250.0200.230.060.050.020.030.06000

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 (%)97100668356619110010010010099100100100100100100100100100100100100
Rain chance (%)402036654952616158554315281413251717161822181718

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)2.392.112.312.612.812.612.612.612.692.6121.51.51.311.110.891.112.112.312.112.613.193.112.69
Wind gust (m/s)3.613.223.424.334.54.814.614.313.422.9274.54.55.311.311.441.535.112.8133.814.534.724.69
Wind direction (°)S 174°S 183°S 185°S 182°S 190°S 187°S 188°S 188°SSW 198°SSW 201°S 188°SSE 152°ESE 123°ESE 109°ESE 119°SE 133°SSE 162°S 176°S 186°SSW 192°SSW 195°S 187°S 186°S 189°

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 (%)747475798285858580756964595754545458626669706970

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)761761761761761761761761762762762761761761760759758758759759759760760760

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 Index00000000.20.92.657.48.68.56.22.90.60.2000000

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)119.7120.1119.7122124.8124.3126.7131.3103.47449.640.937.335.635.635.436.438.956.165.280.699.4120.6140.6
PM10 (µg/m³)120.6121.1121.1123.4125.7125.3127.6131.8104.174.349.941.137.6363635.736.839.256.365.480.699.4121.1141.6
Ozone (O₃) (µg/m³)34420016278115120723324525126026324920313987583926
NO₂ (µg/m³)129.5128.6128.1129130.4129.1125.3118.7105.880.649.124.914.31110.39.711.618.633.75472.788.7103.1113.2
SO₂ (µg/m³)1717.518.219.12020.821.722.521.918.914.6119.17.97.26.977.68.710.212.215.118.420.8
CO (µg/m³)118498884175171072483399610941059958875837816811787779895128718032091194515701231

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.