Weather Forecast Tool

What is Weather Forecast Tool?

Weather Forecast Tool is a Python program that fetches and summarizes weather forecasts for a given location using the MET Norway API. It uses the FastMCP framework for tool registration and httpx for asynchronous HTTP requests.

How to use Weather Forecast Tool?

Install dependencies (Python 3.13+, httpx, mcp.server.fastmcp), obtain latitude and longitude for the desired location, import the modules and initialize a FastMCP server named "weather". Then call the get_weather(latitude, longitude) tool asynchronously.

Key features of Weather Forecast Tool

• Retrieves weather forecast data for a specified latitude and longitude.
• Provides a concise daily summary with weather symbols for night, morning, afternoon, and evening.
• Includes minimum and maximum temperatures for the day.
• Returns forecasts in local time.
• Translates weather symbol codes into human‑readable descriptions.
• Uses asynchronous HTTP requests.

Use cases of Weather Forecast Tool

• Integrate a weather forecast tool into an AI assistant to answer weather queries.
• Automate daily weather reports for a fixed set of coordinates.
• Build a simple weather dashboard that summarizes upcoming forecasts.
• Provide localized weather data for travel planning or event scheduling.

FAQ from Weather Forecast Tool

What runtime does Weather Forecast Tool require?

It requires Python 3.13 or later and the following standard library modules: collections, datetime, typing, asyncio, json, as well as third-party packages httpx and mcp.server.fastmcp.

How does Weather Forecast Tool obtain weather data?

It fetches data from the MET Norway API (https://api.met.no/weatherapi/locationforecast/2.0) using asynchronous HTTP requests.

What input does the tool need?

The get_weather tool expects two float arguments: latitude and longitude of the location.

What format does the forecast return?

The tool returns a string containing a formatted daily weather forecast with most frequent weather symbols for periods of the day and temperature ranges.

Is the forecast returned in local time?

Yes, the README states that the forecast will be returned in local time.