grib = GRIdded Binary (NWP model format) • grab = fetch it for any location worldwide
3-day forecast for San José
- Sat 19 Sep: 19–26°C, thunderstorms, 63.6 mm precipitation, wind up to 3 m/s
- Sun 20 Sep: 18–27°C, thunderstorms, 12.8 mm precipitation, wind up to 3 m/s
- Mon 21 Sep: 18–26°C, thunderstorms, 20.9 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.
San José has a subtropical highland climate with mild temperatures year-round and a distinct rainy season from May to November. This page shows the hourly weather forecast for San José, Costa Rica for the next 7 days — temperature, precipitation, wind speed, atmospheric pressure, and cloud cover hour by hour, updated every 3 hours from Open-Meteo.