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)	3.39	2.89	2.61	2.61	2.5	2.5	2.31	2.39	3.39	3.89	4.31	4.69	4.69	4.81	5.11	4.61	4.69	4.69	5.11	5.19	4.81	4.11	3.61	3.31
Wind gust (m/s)	5.53	4.86	4.39	4.47	4.33	4.33	4	3.33	4.08	4.5	4.94	5.42	5.42	5.53	5.89	6.47	7	6.97	7.89	8.08	7.53	6.61	5.89	5.47
Wind direction (°)	SW 221°	SW 224°	SW 223°	SW 229°	SW 230°	SW 221°	SW 220°	SW 221°	SW 234°	WSW 241°	WSW 245°	WSW 249°	WSW 253°	WSW 257°	WSW 247°	WSW 238°	SW 235°	WSW 239°	WSW 241°	WSW 248°	WSW 248°	WSW 239°	SW 230°	SW 229°

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 (%)	74	77	79	80	80	82	82	76	67	59	53	48	44	41	42	47	50	51	54	59	64	67	70	72

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)	757	756	756	755	755	756	756	757	757	758	757	757	756	755	755	755	755	755	755	755	756	757	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	0.7	2.5	5	8.5	11.2	12.4	10.9	5.5	1.6	0.6	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)	10.4	10.4	10.2	9.9	9.8	10.9	12.1	11.7	8.6	6.2	5.5	4.9	4	3.3	2.9	3.4	3.4	4.3	5.8	14.6	15.8	17.6	18.8	17.8
PM10 (µg/m³)	10.9	10.9	10.8	10.6	10.5	11.7	12.9	12.6	9.7	7.2	6.4	5.7	4.7	3.9	3.4	3.8	3.6	4.5	5.9	15	16.1	18	19.3	18.2
Ozone (O₃) (µg/m³)	32	31	31	31	32	33	35	40	53	71	82	82	77	71	68	65	61	53	43	35	31	30	29	29
NO₂ (µg/m³)	9.8	9.9	9.9	9.7	9.4	9.2	8.9	8.1	6.2	3.7	1.9	1.2	1.2	1.3	0.9	0.7	2.1	6.8	13.1	17.8	19.3	19.2	18.4	17.1
SO₂ (µg/m³)	2	1.8	1.6	1.5	1.4	1.5	1.6	1.8	2.2	2.6	2.8	2.5	1.9	1.5	1.2	1	1.2	2	3.1	3.9	4.2	4.2	4.1	3.8
CO (µg/m³)	285	263	244	229	223	230	245	254	250	239	225	205	182	172	171	183	232	358	522	630	630	574	521	495

← Sun, Aug 2

Mon, Aug 3, 2026

Tue, Aug 4 →

Phnom Penh 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 →

5-day weather forecast Phnom Penh 03-08-2026

Forecast from 25 °C to 36 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction