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)	2.5	2.69	2.19	2	2.19	2.5	2.31	2.31	2.61	3	3.39	3.39	3.69	4.11	4.19	3.89	3.81	2.89	2.39	2.19	2.61	2.5	2.31	2.19
Wind gust (m/s)	3.42	3.83	3.22	2.81	3.5	4.03	3.61	3.11	3.22	3.64	4.11	4.22	4.42	4.5	4.39	4.19	4.03	4.11	2.42	2.42	3.14	3.03	2.92	2.81
Wind direction (°)	W 265°	W 270°	W 278°	NW 304°	NNW 345°	N 6°	NNE 13°	NNE 29°	NNE 27°	NNE 27°	NNE 29°	NNE 21°	NNE 19°	NNE 22°	NNE 25°	NNE 21°	NNE 17°	N 7°	NNE 25°	NE 54°	ENE 77°	ENE 72°	ENE 65°	E 88°

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 (%)	90	92	89	87	88	90	92	86	77	69	64	60	56	54	53	53	54	62	66	68	71	74	76	79

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)	759	759	758	758	758	758	758	759	760	760	760	759	758	757	756	755	755	756	757	758	758	758	758	758

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	0.4	1.7	4.3	7.4	10	11	10.1	7.6	4.3	1.4	0.3	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)	7.2	7.2	7.7	7.3	7.3	7.1	8	7.7	7.7	7.1	6.6	6.3	6.1	6.1	6.1	6	6.9	8.8	15	17.1	11.5	9.4	10.1	10.8
PM10 (µg/m³)	7.7	7.7	8.2	7.7	7.8	7.6	8.6	8.3	8.2	7.8	7.4	7.3	7.1	7.2	7.1	6.9	7.8	9.8	16.2	18.3	12.2	9.9	10.7	11.3
Ozone (O₃) (µg/m³)	45	43	39	33	30	32	36	43	54	69	80	86	90	92	93	93	88	74	56	43	41	45	49	50
NO₂ (µg/m³)	5.2	5.5	6	6.8	7.2	6.9	6.2	5.3	4.1	2.7	1.7	1.3	1.3	1.4	1.2	1.1	2.6	7.5	13.8	17.5	15.8	11.4	7.9	6.9
SO₂ (µg/m³)	1.7	1.7	1.6	1.5	1.5	1.5	1.5	1.7	2.2	2.9	3.4	3.6	3.6	3.6	3.8	4.1	4.3	4.5	4.6	4.5	3.9	2.9	2.3	2.2
CO (µg/m³)	356	362	330	283	258	278	319	341	323	288	260	248	244	254	273	307	373	513	685	789	759	661	585	580

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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 Oct 22, 2026

Forecast from 25 °C to 33 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction