5-day weather forecast Phnom Penh Sep 12, 2026

30°24° · Overcast

Weather forecast Phnom Penh Saturday Sep 12, 2026: overcast, temperature from 24 °C to 30 °C.

Precipitation probability 58%. Wind up to 5 m/s (gusts 7.61 m/s). Air humidity 60–90%, atmospheric pressure 755–758 mm Hg, UV index up to 10.2.

Sunrise 05:49
Sunset 18:03
New Moon3% illuminated
Moonrise 06:28 · Moonset 18:46
Chart
Table

Forecast from 24 °C to 30 °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)252525242424242526282930303029282726262525252525
Precipitation (mm/hr)0.050.040000000001.180.120.171.2200.42000.03000.010.05

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 (%)10010094509794959997100100100100100100100100100100100100100100100
Rain chance (%)302924162625252421181657232558205126253028283133

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)1.391.110.6910.690.310.50.811.1922.313.313.693.894.8944.113.314.3153.813.53.313.69
Wind gust (m/s)1.611.110.7210.720.390.530.921.422.112.423.613.894.5354.3954.426.227.617.396.535.726.81
Wind direction (°)SW 222°SW 222°SSW 199°S 190°SSE 160°SSE 152°S 185°SSE 151°SSE 151°E 92°ESE 113°ESE 112°E 99°ESE 109°SE 136°SE 138°SE 136°SE 137°SSE 153°SSE 151°SE 146°SE 136°SE 140°SSE 168°

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 (%)838383848586858278706662606166758285848788889088

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)757757756755755756756757758758758758757756756755755755756757758758758758

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 Index00000000.10.53.14.28.110.29.24.62.10.90.2000000

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)7.25.95.34.84.85.16.16.365.243.93.53.444.34.95.77.38.910.411.512.612.6
PM10 (µg/m³)7.365.454.95.26.36.46.15.34.13.93.53.444.34.95.77.38.910.511.612.812.8
Ozone (O₃) (µg/m³)4544454648484851586878879410010310410090756357535046
NO₂ (µg/m³)7.97.66.85.95.25.25.55.54.83.832.52.1222.33.25.27.99.910.8111110.8
SO₂ (µg/m³)1.31.21.11.11.11.21.31.62.22.93.53.83.83.944.14.13.93.63.33.23.23.12.8
CO (µg/m³)670658568441346318322331339352350320275246243254275315364384351290238209

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.