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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Rain chance (%)	66	49	47	48	52	38	31	31	30	29	32	23	30	60	51	20	21	42	24	24	26	27	29	30

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)	2.89	2.39	1.89	2.19	1.89	2	2.39	2.69	2.61	3.5	3.5	3.81	3.81	4.39	5.69	4.89	4.81	3.5	2.81	3.11	3.19	3.31	3.61	3.31
Wind gust (m/s)	4.72	3.92	2.92	3.5	3	3.42	3.92	5.31	5.69	6.53	5.42	4.92	5.42	5.89	6.42	5.92	6.14	6.83	4.81	6.44	6.64	5.81	5.92	6.31
Wind direction (°)	WSW 243°	WSW 240°	WSW 238°	SW 219°	SW 216°	SSW 210°	S 189°	S 186°	S 186°	S 191°	SSW 192°	SSW 208°	SW 236°	SW 227°	SSW 210°	SSW 209°	SSW 207°	SW 217°	SW 228°	SW 218°	SSW 202°	S 181°	SSE 168°	S 180°

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 (%)	95	96	95	95	95	94	93	92	91	89	86	80	72	69	72	73	75	78	80	82	84	87	90	91

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	757	756	756	756	756	756	757	758	758	758	758	757	756	755	755	755	755	756	757	757	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	0.1	0.5	1.9	4.4	2.3	4.8	3.4	2.8	3.5	1.3	0.3	0	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

← Sun, Sep 13

Mon, Sep 14, 2026

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 →