grib = GRIdded Binary (NWP model format) • grab = fetch it for any location worldwide
3-day forecast for Colombo
- Sat 19 Sep: 26–30°C, thunderstorms, 11.3 mm precipitation, wind up to 4 m/s
- Sun 20 Sep: 25–27°C, thunderstorms, 47.5 mm precipitation, wind up to 5 m/s
- Mon 21 Sep: 24–28°C, rain showers, 28.5 mm precipitation, wind up to 5 m/s
As of 19 Sep 2026. Data: Open-Meteo (CC BY 4.0). The live hourly chart is above.
Colombo has a tropical climate with consistently warm temperatures, high humidity, and rainfall in two monsoon seasons. This page shows the hourly weather forecast for Colombo, Sri Lanka for the next 7 days — temperature, precipitation, wind speed, atmospheric pressure, and cloud cover hour by hour, updated every 3 hours from Open-Meteo.
