5-day weather forecast Phnom Penh 04-08-2026

Weather forecast Phnom Penh Tuesday, August 4 04.08.2026: patchy rain possible, temperature from 26 °C to 35 °C.

Precipitation probability 38%. Wind up to 5.89 m/s (gusts 8.08 m/s). Air humidity 44–82%, atmospheric pressure 755–758 mm Hg, UV index up to 12.1.

Sunrise 05:48
Sunset 18:24
Last Quarter55% illuminated
Moonrise 22:13 · Moonset 10:09
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Table

Forecast from 26 °C to 35 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)272726262626262729313234353433333130292828282727
Precipitation (mm/hr)0.09000.20.020.020.01000000.020.090.370.530.140.020.240.030000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)7631457480868534516480565188531005776718246454545
Rain chance (%)22101332222322111099551736381711241710111111

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)2.8932.692.392.111.811.612.3134.114.394.54.395.615.55.55.894.391.51.611.811.892.312.61
Wind gust (m/s)4.7854.54.033.533.082.673.173.754.725.065.175.066.446.867.038.086.312.252.52.833.033.754.39
Wind direction (°)SW 234°WSW 243°WSW 239°SW 236°WSW 242°WSW 242°SW 235°WSW 243°WSW 257°W 267°W 274°W 277°W 279°W 270°W 268°W 277°WNW 283°WNW 282°W 274°SSW 211°S 170°S 172°S 176°S 189°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)747779808182827769615449444650515761667073747575

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)757757756755756756756757758758758757756755755755755755755756756757757757

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.61.94.7810.612.17.143.20.90.3000000

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.