grib = GRIdded Binary (NWP model format) • grab = fetch it for any location worldwide
3-day forecast for Siem Reap
- Sun 20 Sep: 24–32°C, thunderstorms, 15.3 mm precipitation, wind up to 3 m/s
- Mon 21 Sep: 24–31°C, thunderstorms, 19.5 mm precipitation, wind up to 3 m/s
- Tue 22 Sep: 24–30°C, thunderstorms, 13.1 mm precipitation, wind up to 4 m/s
As of 19 Sep 2026. Data: Open-Meteo (CC BY 4.0). The live hourly chart is above.
Siem Reap has a tropical climate with very hot weather, a dry season from November to May, and heavy monsoon rains from June to October. This page shows the hourly weather forecast for Siem Reap, 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.
