get_forecast
Retrieve weather forecasts for specific geographic coordinates using latitude and longitude inputs to access location-based weather data.
Instructions
Get weather forecast for a location.
Args:
latitude: Latitude of the location
longitude: Longitude of the locationInput Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| latitude | Yes | ||
| longitude | Yes |
Implementation Reference
- weather.py:59-93 (handler)The handler function for the 'get_forecast' tool, decorated with @mcp.tool() for registration. It fetches the weather forecast for given latitude and longitude using the National Weather Service API, formats the next 5 periods, and returns a formatted string.
@mcp.tool() async def get_forecast(latitude: float, longitude: float) -> str: """Get weather forecast for a location. Args: latitude: Latitude of the location longitude: Longitude of the location """ # First get the forecast grid endpoint points_url = f"{NWS_API_BASE}/points/{latitude},{longitude}" points_data = await make_nws_request(points_url) if not points_data: return "Unable to fetch forecast data for this location." # Get the forecast URL from the points response forecast_url = points_data["properties"]["forecast"] forecast_data = await make_nws_request(forecast_url) if not forecast_data: return "Unable to fetch detailed forecast." # Format the periods into a readable forecast periods = forecast_data["properties"]["periods"] forecasts = [] for period in periods[:5]: # Only show next 5 periods forecast = f""" {period['name']}: Temperature: {period['temperature']}°{period['temperatureUnit']} Wind: {period['windSpeed']} {period['windDirection']} Forecast: {period['detailedForecast']} """ forecasts.append(forecast) return "\n---\n".join(forecasts)