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)	3.11	2.69	2.39	2.31	2.31	2.19	2.39	2.81	3.81	4.11	4.5	5.19	5.19	5.69	5.39	5.5	5.81	5.89	5.5	4.61	4.89	4.61	4.11	3.5
Wind gust (m/s)	4.86	4.31	3.86	3.75	3.81	3.72	4	3.86	4.56	4.72	5.17	5.97	5.97	6.56	7.39	7.67	8.17	8.39	8.36	7.64	7.81	7.28	6.47	5.61
Wind direction (°)	SW 221°	SW 217°	SSW 204°	SSW 209°	SSW 210°	SSW 205°	SSW 205°	SSW 211°	SW 229°	WSW 239°	WSW 240°	WSW 242°	WSW 237°	SW 230°	SW 216°	SW 221°	SW 236°	SW 232°	WSW 237°	WSW 239°	WSW 240°	SW 233°	SW 229°	SW 222°

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 (%)	75	77	78	80	81	82	82	76	67	60	55	50	46	45	49	49	50	52	56	60	64	67	69	71

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)	756	756	755	755	755	755	756	757	757	757	757	756	755	755	754	754	754	754	755	755	756	757	757	757

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	0.7	2.4	5.2	8.3	10.7	11.7	7.2	2.4	1.8	1	0.4	0	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)	12.3	11.4	10.9	10.6	10.6	11.1	12.5	11.7	10.3	7.2	5.6	4.5	3.7	3.2	3.5	3.4	3.4	4	5.7	8.5	10.2	10.8	11	10.9
PM10 (µg/m³)	12.8	12	11.5	11.3	11.4	12	13.4	12.8	11.7	8.5	6.6	5.3	4.5	4	4.5	4.3	4.3	4.9	6.3	8.9	10.6	11.3	11.5	11.4
Ozone (O₃) (µg/m³)	28	28	27	26	27	29	33	39	51	67	76	74	67	60	58	56	54	49	44	39	37	36	35	33
NO₂ (µg/m³)	11.7	11.1	10.8	10.6	10.2	9.7	9	7.9	5.8	3.3	1.4	0.8	0.9	1	0.7	0.5	1.1	3.1	5.9	8	8.8	9	9.2	9.5
SO₂ (µg/m³)	2.5	2.3	2.1	1.9	1.8	1.9	2	2.2	2.4	2.5	2.5	2.2	1.7	1.4	1.4	1.5	1.6	1.8	1.9	2.1	2.2	2.3	2.3	2.2
CO (µg/m³)	400	405	370	324	296	310	342	350	308	242	189	162	149	148	155	174	218	316	438	510	486	412	347	312

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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 Phnom Penh 02-08-2026

Forecast from 26 °C to 35 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction