5-day weather forecast Guangzhou Sep 19, 2026

36°27° · Smoky haze

Weather forecast Guangzhou tomorrow Sep 19, 2026: smoky haze, temperature from 27 °C to 36 °C.

Precipitation probability 61%. Wind up to 3.5 m/s (gusts 7.69 m/s). Air humidity 42–76%, atmospheric pressure 759–763 mm Hg, UV index up to 8.2.

Sunrise 06:14
Sunset 18:26
First Quarter63% illuminated
Moonrise 13:49 · Moonset does not set today
Chart
Table

Forecast from 27 °C to 36 °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)282827272727272728303133343536363534343330303029
Precipitation (mm/hr)00000000000000000000.041.510.090.660.45

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 (%)33558131314535629414273951007172991009983
Rain chance (%)4556788854323436101171161255141

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)2.612.3121.691.611.310.890.390.190.50.390.610.891.111.191.612.53.52.692.613.192.312.192.61
Wind gust (m/s)3.923.4232.422.111.721.220.420.420.920.830.921.421.611.641.837.57.57.693.224.063.423.724.03
Wind direction (°)SSW 193°SSW 200°SSW 203°SSW 207°SSW 211°SSW 207°SSW 201°SSW 194°E 94°ENE 61°ENE 69°ENE 71°NE 54°NE 54°NE 56°NE 51°NE 38°NNE 29°NE 34°E 81°ESE 107°SE 138°SSE 163°SSE 168°

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 (%)656769717374767569635854504743424347515566707172

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)761761761761761761761762762763762762762761760759759759760760761761761761

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 Index00000000.20.92.53.93.65.88.274.42.20.70.100000

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)109.297.88577.870.569.873.387.367.352.646.641.139.739.840.340.440.343.562.486.6110.6116.4120.6120.6
PM10 (µg/m³)111.399.788.583.177.377.180.694.575.460.552.544.241.14141.241.341.144.462.987.1110.8116.9121.1121.5
Ozone (O₃) (µg/m³)21000041129651111551942312562712742531879527435
NO₂ (µg/m³)145.8138.2132.3130.1129.6126117.3105.591.372.851.93524.317.514.311.812.825.460.9108141.2146.9138.7131.2
SO₂ (µg/m³)38.140.141.843.244.344.845.244.942.435.826.919.615.412.710.99.89.61011.313.214.815.61616.4
CO (µg/m³)10429819561004108911581208124112161086898747668628619607627781122818092154205417171402

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.