5-day weather forecast Phnom Penh Oct 21, 2026
Weather forecast Phnom Penh tomorrow Oct 21, 2026: overcast, temperature from 26 °C to 32 °C.
Precipitation probability 79%. Wind up to 2.81 m/s (gusts 6.81 m/s). Air humidity 59–90%, atmospheric pressure 757–761 mm Hg, UV index up to 10.7.
5 days at a glance — tap a day to open it
Sunrise 05:50
Sunset 17:39
Sunset 17:39
Waxing Gibbous86% illuminated
Moonrise 14:24 · Moonset 01:41
Moonrise 14:24 · Moonset 01:41
Chart
TableForecast from 26 °C to 32 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Air quality & pollen
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.