langchain/docs/integrations/weather.md

# Weather

>[OpenWeatherMap](https://openweathermap.org/) is an open source weather service provider.



## Installation and Setup

```bash
pip install pyowm
```

We must set up the `OpenWeatherMap API token`.

## Document Loader

See a [usage example](../modules/indexes/document_loaders/examples/weather.ipynb).

```python
from langchain.document_loaders import WeatherDataLoader
```