# World Weather Information Service API

**Canonical:** https://apis.io/apis/wmo/world-weather-information-service-api/  
**Provider:** World Meteorological Organization — https://apis.io/providers/wmo/  
**Base URL:** https://worldweather.wmo.int/en/json/  
**Documentation:** https://worldweather.wmo.int/en/dataguide.html

World Weather Information Service API is one of 9 APIs that [World Meteorological Organization](https://apis.io/providers/wmo/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Weather, Forecast, and Climate. The published artifact set on APIs.io includes API documentation.

The WMO World Weather Information Service (WWIS) provides public JSON endpoints delivering official city weather forecasts and climatological data contributed by WMO member national meteorological and hydrological services. Data is freely accessible by city identifier with no authentication required. City forecasts include temperature, wind, humidity, and precipitation; climatological normals cover monthly averages. A full city list with identifiers is available for programmatic enumeration of supported locations.

## Machine-readable artifacts (2)

- **Documentation** — https://worldweather.wmo.int/en/dataguide.html
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/wmo/refs/heads/main/apis.yml

## Other World Meteorological Organization APIs (8)

- [OSCAR/Surface REST API](https://apis.io/apis/wmo/oscar-surface-api/)
- [WIS2 Global Broker (MQTT)](https://apis.io/apis/wmo/wis2-global-broker-mqtt-api/)
- [WHOS Hydrological Observing System API](https://apis.io/apis/wmo/whos-hydrological-api/)
- [World Meteorological Organization jobs API](https://apis.io/apis/wmo/wmo-jobs-api/)
- [World Meteorological Organization pywcmp-wis2-wcmp2-ets API](https://apis.io/apis/wmo/wmo-pywcmp-wis2-wcmp2-ets-api/)
- [World Meteorological Organization pywcmp-wis2-wcmp2-kpi API](https://apis.io/apis/wmo/wmo-pywcmp-wis2-wcmp2-kpi-api/)
- [World Meteorological Organization server API](https://apis.io/apis/wmo/wmo-server-api/)
- [World Meteorological Organization wis2-discovery-metadata API](https://apis.io/apis/wmo/wmo-wis2-discovery-metadata-api/)

## Tags

Weather, Forecast, Climate

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/wmo/world-weather-information-service-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/wmo/.