OpenWeatherMap
OpenWeatherMap 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 Setupโ
- Install requirements with
 
pip install pyowm
- Go to OpenWeatherMap and sign up for an account to get your API key here
 - Set your API key as 
OPENWEATHERMAP_API_KEYenvironment variable 
Wrappersโ
Utilityโ
There exists a OpenWeatherMapAPIWrapper utility which wraps this API. To import this utility:
from langchain_community.utilities.openweathermap import OpenWeatherMapAPIWrapper
API Reference:OpenWeatherMapAPIWrapper
For a more detailed walkthrough of this wrapper, see this notebook.
Toolโ
You can also easily load this wrapper as a Tool (to use with an Agent). You can do this with:
from langchain.agents import load_tools
tools = load_tools(["openweathermap-api"])
API Reference:load_tools
For more information on tools, see this page.