langchain/docs/extras/ecosystem/integrations/openweathermap.mdx

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# OpenWeatherMap
>[OpenWeatherMap](https://openweathermap.org/api/) provides all essential weather data for a specific location:
>- Current weather
>- Minute forecast for 1 hour
>- Hourly forecast for 48 hours
>- Daily forecast for 8 days
>- National weather alerts
>- Historical weather data for 40+ years back
This page covers how to use the `OpenWeatherMap API` within LangChain.
## Installation and Setup
- Install requirements with
```bash
pip install pyowm
```
- Go to OpenWeatherMap and sign up for an account to get your API key [here](https://openweathermap.org/api/)
- Set your API key as `OPENWEATHERMAP_API_KEY` environment variable
## Wrappers
### Utility
There exists a OpenWeatherMapAPIWrapper utility which wraps this API. To import this utility:
```python
from langchain.utilities.openweathermap import OpenWeatherMapAPIWrapper
```
For a more detailed walkthrough of this wrapper, see [this notebook](/docs/modules/agents/tools/integrations/openweathermap.html).
### Tool
You can also easily load this wrapper as a Tool (to use with an Agent).
You can do this with:
```python
from langchain.agents import load_tools
tools = load_tools(["openweathermap-api"])
```
For more information on this, see [this page](/docs/modules/agents/tools/getting_started.md)