Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	28	28	27	27	27	26	27	27	28	29	31	32	33	33	32	32	32	32	31	30	28	28	28	27
Precipitation (mm/hr)	0	0.39	0.12	0.03	0.2	0.12	0.37	0	0.3	0	0.02	0	0.13	2.42	0.42	0.36	0.63	0.09	0.01	0.02	0.56	0.12	0.94	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	100	58	100	100	70	79	76	54	79	86	84	24	98	100	100	75	67	51	79	72	81	95	100	78
Rain chance (%)	19	36	33	26	32	31	43	16	36	14	13	4	20	62	37	36	36	17	12	14	49	33	67	21

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	2.81	2.81	2.5	2.61	2.69	2.39	2.11	2.11	2.5	2.61	2.81	2.69	2.19	2.11	2.11	2.11	2.11	2.31	2.19	2.39	3.31	3.31	3	2.39
Wind gust (m/s)	4.5	4.92	4.92	5.14	5.25	5.03	4.64	4.22	3.5	3.11	2.92	5.69	6.19	5.11	7.11	7.11	7.11	7.31	2.53	3.81	5.53	6	5.81	5.11
Wind direction (°)	S 190°	S 191°	S 191°	SSW 192°	SSW 194°	SSW 200°	S 187°	S 181°	S 190°	S 189°	S 187°	S 186°	S 183°	SSE 154°	SSE 154°	S 182°	S 178°	SSE 165°	SSE 153°	SE 137°	SE 143°	SSE 156°	SSE 159°	SSE 165°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	72	74	79	81	82	83	84	82	75	68	62	56	54	55	59	59	60	61	65	70	78	81	82	83

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	760	760	759	759	759	759	759	760	760	760	760	760	759	758	758	757	757	757	757	758	758	759	759	759

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.1	0.3	0.9	2.6	7.2	8.3	8.2	6.7	3.1	0.7	0.2	0	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

← Sun, Sep 20

Mon, Sep 21, 2026

Tue, Sep 22 →

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.

Learn more about our methodology →