grib = GRIdded Binary (NWP model format) • grab = fetch it for any location worldwide
3-day forecast for Phnom Penh
- Sun 20 Sep: 25–31°C, thunderstorms, 19.6 mm precipitation, wind up to 3 m/s
- Mon 21 Sep: 25–31°C, thunderstorms, 33.1 mm precipitation, wind up to 3 m/s
- Tue 22 Sep: 24–30°C, thunderstorms, 62.4 mm precipitation, wind up to 3 m/s
As of 19 Sep 2026. Data: Open-Meteo (CC BY 4.0). The live hourly chart is above.
Phnom Penh has a tropical climate with hot weather year-round and a monsoon season from May to October. This page shows the hourly weather forecast for Phnom Penh, Cambodia for the next 7 days — temperature, precipitation, wind speed, atmospheric pressure, and cloud cover hour by hour, updated every 3 hours from Open-Meteo.