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)	27	27	27	27	27	27	26	27	28	29	30	30	31	33	33	32	30	29	28	26	26	25	25	25
Precipitation (mm/hr)	1.16	1.18	0.36	1.36	0.84	0	0.65	0.7	0.63	0.16	0.09	0.08	0	0.34	0.29	3.34	2.96	2.35	2.81	10.34	5.6	4.98	9.35	11.38

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 (%)	87	69	99	100	100	85	89	62	74	65	67	56	37	86	88	98	100	100	100	100	100	100	100	100
Rain chance (%)	69	65	52	74	67	25	62	55	50	23	18	17	6	36	27	71	76	76	82	95	91	90	94	95

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)	1.31	1.69	1.81	1.89	2.11	2.31	2.5	2.69	3.31	3.61	3.61	3.61	3.81	3	3.81	3.89	3	2.19	3.19	3.19	3.19	1.61	1.11	1.89
Wind gust (m/s)	2.22	3.31	3.81	4.11	4.39	5.03	5.61	6	5.72	5.06	4.92	4.69	4.61	4.33	4.61	4.53	4.31	3.81	4.72	4.5	4.92	2.64	2.33	4.72
Wind direction (°)	NW 307°	NW 319°	NW 324°	NNW 338°	N 349°	NNW 345°	N 354°	N 1°	N 0°	N 7°	NNE 21°	NNE 28°	NNE 15°	NNE 12°	NNE 22°	NE 35°	NE 53°	E 90°	ESE 110°	ESE 110°	E 101°	SSE 163°	SE 136°	E 85°

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 (%)	88	88	88	88	87	88	90	88	80	72	68	69	64	56	59	66	75	81	86	93	96	95	96	96

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)	751	751	750	750	749	750	750	750	751	751	751	751	751	750	749	749	749	749	750	750	750	752	752	752

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	0.7	1.9	2.4	4	5.6	6.6	5	4.5	3	1.2	0.2	0	0	0	0	0

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)	36.3	35.9	33.6	29.3	25.1	22.1	18.1	18.4	19.8	17.6	14.9	13	10.1	9.6	9.9	12	13	20.1	29.4	39.7	53.2	48.1	35.4	32.5
PM10 (µg/m³)	36.4	36	33.8	29.3	25.2	22.2	18.3	18.6	20.1	17.9	15	13	10.2	9.7	9.9	12	13	20.2	29.6	40	53.8	48.8	36	33.2
Ozone (O₃) (µg/m³)	25	22	21	22	25	28	30	33	43	70	104	128	133	127	117	105	88	69	44	17	0	0	10	19
NO₂ (µg/m³)	72	69	65.3	60.3	54.6	49.2	45	41.1	36.1	28.5	19.8	13.5	10.5	9.9	12.8	19.8	30.4	43.5	63	85.1	97.6	92.9	78.5	65.1
SO₂ (µg/m³)	25.8	23.7	21.2	18.4	15.2	12.4	10.1	8.2	6.8	6	5.6	5.3	4.9	4.6	4.5	4.6	5	5.8	7.4	9.4	10.7	10.6	9.8	8.8
CO (µg/m³)	403	351	321	317	334	371	442	533	594	594	566	554	570	602	670	788	941	1098	1276	1458	1561	1544	1449	1316

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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.

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5-day weather forecast Guangzhou 31-08-2026

Weather Alerts

Forecast from 25 °C to 33 °C and precipitation