world-weather-online-mcp

World Weather Online MCP Server gives AI agents direct access to one of the world's most comprehensive weather APIs — trusted by 300,000+ developers and used…

CommunityOnlineAPI key requiredGlobalFreeCan modify data

What it can do

  • Get Weather: Get current weather and up to 14-day forecast for any location. Includes temperature, wind, precipitation, humidity, UV index, and optionally air quality and weather alerts.
  • Get Historical Weather: Get historical weather for any location from July 2008 onwards. Up to 30-day date ranges with hourly breakdowns.
  • Get Marine Weather: Get 7-day marine forecasts: swell height, direction, period, water temperature, and tides.

What data it sees

Do you need an account

An API key from the service settings is required

World Weather Online MCP Server gives AI agents direct access to one of the world's most comprehensive weather APIs — trusted by 300,000+ developers and used by major airlines and airports worldwide.

Tools available:

  • get_weather — current conditions and up to 14-day hourly forecasts for any city, postcode, or lat/lon
  • get_historical_weather — past weather data from July 2008 onwards, up to 30-day ranges
  • get_marine_weather — swell height, direction, period, water temperature, and tidal data
  • get_ski_weather — top, mid, and base elevation forecasts for ski resorts worldwide
  • search_location — location autocomplete and search with coordinates
  • get_astronomy — sunrise, sunset, moonrise, moonset, moon phase and illumination
  • get_timezone — local time and UTC offset for any location
  • get_climate_averages — monthly 12-year climate averages for travel planning

Requires a free World Weather Online API key. Sign up at worldweatheronline.com/weather-api/

How to connect

How to connect world-weather-online-mcp to Claude

The server address to paste into Claude settings:

https://world-weather-online-mcp--info-iywv.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect world-weather-online-mcp to ChatGPT

The server address to paste into ChatGPT settings:

https://world-weather-online-mcp--info-iywv.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect world-weather-online-mcp to Cursor

The server address to paste into Cursor settings:

https://world-weather-online-mcp--info-iywv.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (8)

Raw names from tools/list. Only developers need these.

get_weatherGet current weather and up to 14-day forecast for any location. Includes temperature, wind, precipitation, humidity, UV index, and optionally air quality and weather alerts.
get_historical_weatherGet historical weather for any location from July 2008 onwards. Up to 30-day date ranges with hourly breakdowns.
get_marine_weatherGet 7-day marine forecasts: swell height, direction, period, water temperature, and tides.
get_ski_weatherGet ski resort forecasts with top, mid, and base elevation breakdowns.
search_locationAutocomplete and search location names. Returns coordinates, country, and region.
get_astronomyGet sunrise, sunset, moonrise, moonset, moon phase, and moon illumination for any location and date.
get_timezoneGet local time, timezone name, and UTC offset for any location worldwide.
get_climate_averagesGet monthly climate averages (12-year average): min/max temperatures, rainfall, snow days, fog days, UV index. Ideal for travel planning.