5-day weather forecast Phnom Penh 23-08-2026

Weather forecast Phnom Penh Sunday, August 23 23.08.2026: overcast, temperature from 28 °C to 33 °C.

Precipitation probability 17%. Wind up to 10 m/s (gusts 14.11 m/s). Air humidity 48–70%, atmospheric pressure 755–758 mm Hg, UV index up to 10.4.

Sunrise 05:50
Sunset 18:15
Waxing Gibbous86% illuminated
Moonrise 15:01 · Moonset 01:44
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Table

Forecast from 28 °C to 33 °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)282828282828282829303233333333333231302929282828
Precipitation (mm/hr)000000000000.020.0200.01000000000

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 (%)1001001001001001001001001008933981001001009774949399100100100100
Rain chance (%)1516161717161615151241212111211812131516171717

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)5.194.694.394.394.615.315.395.315.697.118.118.319.699.6910109.699.197.57.116.3165.695.81
Wind gust (m/s)11.3310.7211.5311.5311.7211.9211.9211.7211.8311.9211.5611.7212.6913.6113.513.5313.6114.1113.0312.9213.3313.2213.2213.03
Wind direction (°)WSW 240°WSW 242°WSW 244°WSW 250°WSW 251°WSW 244°WSW 246°WSW 247°WSW 239°WSW 239°WSW 239°WSW 240°WSW 247°WSW 253°WSW 256°WSW 256°WSW 258°WSW 257°WSW 252°WSW 249°WSW 245°WSW 247°WSW 249°WSW 248°

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 (%)646667686867656463595348494949485054616466686970

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)758757757756757757757758758758758758757756755755755755756757757758758758

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 Index00000000.21.44.48.510.47.164.54.41.10.3000000

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)8.47.876.55.95.24.44.33.32.21.81.81.71.71.71.72.22.32.83.13.22.92.82.6
PM10 (µg/m³)109.38.37.776.15.14.83.82.52.12.12.22.122.12.52.633.33.43.23.12.8
Ozone (O₃) (µg/m³)464748484846434243464848484746454441383636363737
NO₂ (µg/m³)4.64.54.33.93.73.73.83.62.81.810.70.60.60.711.42.23.13.73.63.22.92.8
SO₂ (µg/m³)1.31.21.11111.11.11.11.11.110.90.80.70.70.70.91.11.21.210.90.8
CO (µg/m³)215192173158151162181191180160143135131129129132140159184200201194186179

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.