Bring Weather Forecast
to LlamaIndex
Create your Vinkius account to connect OpenWeather to LlamaIndex and start using all 11 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the OpenWeather MCP Server?
Connect to OpenWeather APIs and access global weather data through natural conversation.
What you can do
- Current Weather — Get real-time temperature, humidity, wind, pressure, visibility and conditions for any location
- Hourly Forecast — 48-hour hourly forecast with temperature, precipitation probability and UV index
- Daily Forecast — Up to 16-day daily forecast with min/max temperatures and weather descriptions
- Weather Alerts — Active severe weather warnings and alerts for any location
- Air Quality — Current AQI and 4-day forecast with pollutant concentrations (PM2.5, PM10, O3, NO2, CO)
- Historical Weather — Weather conditions for any past date
- Sun Times — Sunrise and sunset times for any location
- Geocoding — Convert city names to coordinates and vice versa
How it works
- Subscribe to this server
- Enter your OpenWeather API Key
- Start exploring weather data from Claude, Cursor, or any MCP-compatible client
No more checking weather apps — just ask your AI.
Who is this for?
- Travelers — check weather forecasts and alerts before and during trips
- Event Planners — monitor weather conditions and UV index for outdoor events
- Outdoor Enthusiasts — check sunrise/sunset times, air quality and hourly forecasts
- Researchers — access historical weather data and air quality trends
Built-in capabilities (11)
Returns the top 5 matching locations with their coordinates, country codes and state names. Use these coordinates with other weather tools. Convert a city name to coordinates
5, PM10, O3, NO2, SO2, CO, NH3). AQI scale: 1=Good, 2=Fair, 3=Moderate, 4=Poor, 5=Very Poor. Requires lat/lon coordinates. Get current air quality index for a location
Each data point includes AQI level (1-5 scale) and concentrations of PM2.5, PM10, O3, NO2, SO2, CO and NH3. Get 4-day air quality forecast for a location
Requires either city name (e.g. "London", "São Paulo") or latitude/longitude coordinates. Get current weather conditions for a location
Each day includes min/max temperature, humidity, wind, UV index, precipitation probability and weather description. Requires lat/lon coordinates. Get daily weather forecast for up to 16 days
Each data point includes temperature, humidity, wind, pressure and weather description. Optionally set the number of days (1-5). Requires either city name or lat/lon. Get 5-day/3-hour weather forecast
Returns temperature, humidity, wind, pressure and weather description for the requested date. Requires lat/lon and date in YYYY-MM-DD format. Get historical weather data for a specific date
Each hour includes temperature, humidity, wind, UV index, precipitation probability and weather description. Requires lat/lon coordinates. Use geocode to find coordinates for a city name. Get hourly weather forecast using One Call API
Returns the exact times and the sun's elevation angle at sunrise/sunset. Requires lat/lon coordinates. Get sunrise and sunset times for a location
Returns alert type, severity, description, start and end times. Requires lat/lon coordinates. Useful for monitoring severe weather conditions. Get active weather alerts for a location
Returns the city, state, country and postal code for the given coordinates. Convert coordinates to a city name
Why LlamaIndex?
LlamaIndex agents combine OpenWeather tool responses with indexed documents for comprehensive, grounded answers. Connect 11 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
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Data-first architecture: LlamaIndex agents combine OpenWeather tool responses with indexed documents for comprehensive, grounded answers
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Query pipeline framework lets you chain OpenWeather tool calls with transformations, filters, and re-rankers in a typed pipeline
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Multi-source reasoning: agents can query OpenWeather, a vector store, and a SQL database in a single turn and synthesize results
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Observability integrations show exactly what OpenWeather tools were called, what data was returned, and how it influenced the final answer
OpenWeather in LlamaIndex
Why run OpenWeather with Vinkius?
The OpenWeather connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 11 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect OpenWeather using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
OpenWeather and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect OpenWeather to LlamaIndex through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
OpenWeather for LlamaIndex
Every request between LlamaIndex and OpenWeather is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I get an OpenWeather API key?
Visit openweathermap.org/api, click Sign Up for a free account, go to API Keys in your account settings, and create a new key. Copy it — it's a 32-character hex string. Free tier includes 60 calls/minute.
Can I get weather alerts for my location?
Yes! Use get_weather_alerts with lat/lon coordinates. Returns active alerts with sender name, event type, severity, description and start/end times. Useful for monitoring severe weather, floods, heat waves and other dangerous conditions.
Can I get historical weather data?
Yes! Use get_historical_weather with lat/lon and a date in YYYY-MM-DD format. Returns the weather conditions for that specific day including temperature, humidity, wind and pressure.
How do I find coordinates for a city?
Use geocode with the city name (e.g. 'London', 'São Paulo', 'Tokyo'). Returns the top 5 matching locations with their latitude, longitude, country code and state. Use these coordinates with other weather tools.
How does LlamaIndex connect to MCP servers?
Use the MCP client adapter to create a connection. LlamaIndex discovers all tools and wraps them as query engine tools compatible with any LlamaIndex agent.
Can I combine MCP tools with vector stores?
Yes. LlamaIndex agents can query OpenWeather tools and vector store indexes in the same turn, combining real-time and embedded data for grounded responses.
Does LlamaIndex support async MCP calls?
Yes. LlamaIndex's async agent framework supports concurrent MCP tool calls for high-throughput data processing pipelines.
BasicMCPClient not found
Install: pip install llama-index-tools-mcp
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