MCP For Claude Marketplace
Open-Meteo

Open-Meteo MCP Connector for Claude

A+

Get weather forecasts, historical data and air quality — no API key required, open-source weather data.

5 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect to Open-Meteo and access global weather forecasts through natural conversation — no API key needed.

What you can do

  • Current Weather — Get real-time temperature, humidity, wind, precipitation and conditions
  • 7-Day Forecast — Hourly and daily forecasts up to 16 days ahead with 50+ weather variables
  • Historical Weather — Access archived weather data going back to 1940 for any location
  • Air Quality — Get PM2.5, PM10, NO2, O3, SO2, CO and UV index forecasts
  • Geocoding — Find coordinates for any city or place name
  • Elevation — Get elevation data for any coordinates

How it works

  1. Subscribe to this server
  2. No API key needed — start querying immediately
  3. Get weather data from Claude, Cursor, or any MCP-compatible client

No API key required — completely free and open-source.

Who is this for?

  • Travelers — check weather forecasts and air quality before and during trips
  • Researchers — access historical weather data for climate studies and analysis
  • Developers — integrate free weather data into applications without authentication
  • Outdoor Planners — check UV index, wind speed and precipitation for events
weather-forecasthistorical-weatherair-qualitymeteorologyenvironmental-dataopen-source

5 tools expose this connector's capabilities to your AI agent.

get_air_quality

5, PM10, nitrogen dioxide, ozone, sulphur dioxide, carbon monoxide, dust, pollen and UV index. Requires latitude and longitude. Returns hourly data for up to 7 days. Common variables: pm2_5, pm10, nitrogen_dioxide, ozone, sulphur_dioxide, carbon_monoxide, dust, uv_index, alder_pollen, grass_pollen. Get air quality forecast for a location

get_elevation

Useful for hiking, aviation and geographic research. Get elevation for coordinates

get_forecast

Requires latitude and longitude. Supports hourly, daily and current weather variables. Common variables: temperature_2m, relative_humidity_2m, precipitation, rain, snowfall, wind_speed_10m, wind_direction_10m, wind_gusts_10m, weather_code, cloud_cover, pressure_msl, uv_index, visibility, apparent_temperature, dew_point_2m, sunshine_duration. Set past_days to include historical data (0-92 days). Set forecast_days for forecast length (0-16 days, default 7). Timezone defaults to GMT; use "auto" for local timezone. Get weather forecast for a location

get_geocoding

Useful for finding coordinates to use with weather tools. Returns up to 10 results by default. Find coordinates for a place name

get_historical_weather

Requires latitude, longitude, start date and end date (YYYY-MM-DD format). Supports the same hourly variables as the forecast API. Historical data goes back to 1940 for most locations. Use get_geocoding to find coordinates for a city name. Get historical weather data for a location

See how to talk to your AI agent using Open-Meteo.

What's the weather forecast for São Paulo this week?

São Paulo (23.55°S, 46.63°W): Today 26°C/18°C, partly cloudy with 30% chance of rain. Tomorrow 24°C/17°C, light rain expected. Wednesday 22°C/16°C, overcast. Wind: 10-15 km/h. Humidity: 65-80%. UV index moderate (5-6).

What was the temperature in Tokyo on July 15, 2024?

Tokyo on July 15, 2024: High 32°C, Low 25°C. Hourly data shows temperatures peaked at 2 PM. Humidity 70%, light winds 5 km/h from the southeast. No precipitation recorded.

What's the air quality in Beijing right now?

Beijing air quality: PM2.5 at 85 μg/m³ (unhealthy for sensitive groups), PM10 at 120 μg/m³, NO2 at 45 μg/m³, O3 at 65 μg/m³. Overall AQI: 165 (Unhealthy). Sensitive groups should reduce outdoor exposure.

No! Open-Meteo is completely free and open-source for non-commercial use. No API key, no sign-up, no registration. Just subscribe and start querying. For commercial use, you'll need an API key from open-meteo.com.

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