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)	1.81	1.11	1.89	2.69	3.19	4	3.89	3.19	3.61	3.31	1.89	3.5	2.89	3.19	3	2.81	2.61	2.31	2.11	1.5	1.11	0.61	0.81	1.61
Wind gust (m/s)	2.22	1.42	2.22	4.31	5.5	6	5.61	4.81	4.61	4.11	2.33	4.33	3.42	3.72	3.22	5.81	5.61	5.31	2.22	1.5	1.22	0.69	0.83	1.61
Wind direction (°)	WNW 288°	NW 315°	SW 228°	WSW 238°	SW 220°	SSW 212°	SSW 196°	S 191°	SSW 209°	SSW 199°	WSW 242°	WSW 258°	W 281°	WNW 282°	WNW 296°	NW 313°	NW 321°	NNW 339°	N 352°	N 360°	NNE 27°	NNE 17°	WNW 303°	W 268°

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 (%)	80	83	83	84	86	83	91	93	90	88	92	91	86	77	69	66	65	68	76	78	80	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)	758	758	758	758	758	758	759	760	761	761	761	760	760	759	758	758	758	758	758	758	759	760	760	760

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	2.5	4.7	2.7	2.5	3.9	4.4	3.3	1.5	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)	17.1	16.9	17.5	16.8	15.7	14.2	14.8	13.7	11.4	10.9	9.9	9.5	9.3	9.3	9.5	9.8	10.1	10.5	11.5	11.4	13	14	15.6	16.3
PM10 (µg/m³)	17.2	17.1	17.6	16.9	15.8	14.3	14.8	13.7	11.4	11	10	9.6	9.4	9.3	9.6	9.9	10.2	10.6	11.6	11.4	13	14.1	15.7	16.3
Ozone (O₃) (µg/m³)	59	60	60	59	58	56	55	58	69	86	99	107	112	117	123	128	127	116	100	86	78	73	69	66
NO₂ (µg/m³)	9.3	8.6	8	7.3	6.9	7	7.4	7.2	5.9	4	2.6	2	1.7	1.7	1.7	2	2.6	3.9	5.7	7.2	8.4	9.4	10.1	10.4
SO₂ (µg/m³)	3.1	3.2	3.2	3.3	3.4	3.8	4.2	4.6	4.8	5	5.1	5.1	5	5	5.5	6.1	6.3	5.5	4.2	3.4	3.5	4.2	4.7	5
CO (µg/m³)	1231	1119	995	861	785	827	927	971	897	767	652	572	507	464	439	436	478	606	780	896	904	854	800	758

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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 1, 2026

Forecast from 25 °C to 30 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction