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Weather MCP Server

isdaniel/mcp_weather_server

Wraps the Open-Meteo API to give Claude weather forecasts, air quality readings, and timezone conversions without requiring an API key. You get current conditions (temperature, humidity, wind, UV index, precipitation), hourly forecasts across date ranges, and detailed air quality data including PM2.5, ozone, and nitrogen dioxide with health advisories. Ships with three transport modes: standard stdio for Claude Desktop, SSE for browser apps, and the newer streamable HTTP protocol with stateful or stateless sessions. Geocoding is handled automatically, so you just pass city names. Reach for this when you need free, no-auth weather data in your MCP workflows or want to prototype location-aware features without managing API tokens.

GitHub stars
50
tools
8
transport
STDIO
last updated
Dec 13, 2025
View on GitHub

Tools

8 tools

Public tool metadata for what this MCP can expose to an agent.

get_current_weatherGet current weather information for a specified city. It extracts the current hour's temperature and weather code, maps the weather code to a human-readable description, and returns a formatted summary.1 params

Get current weather information for a specified city. It extracts the current hour's temperature and weather code, maps the weather code to a human-readable description, and returns a formatted summary.

Parameters* required
citystring
The name of the city to fetch weather information for, PLEASE NOTE English name only, if the parameter city isn't English please translate to English before invoking this function.
get_weather_byDateTimeRangeGet weather information for a specified city between start and end dates.3 params

Get weather information for a specified city between start and end dates.

Parameters* required
citystring
The name of the city to fetch weather information for, PLEASE NOTE English name only, if the parameter city isn't English please translate to English before invoking this function.
end_datestring
End date in format YYYY-MM-DD , please follow ISO 8601 format
start_datestring
Start date in format YYYY-MM-DD, please follow ISO 8601 format
get_weather_detailsGet detailed weather information for a specified city as structured JSON data. This tool provides raw weather data for programmatic analysis and processing.2 params

Get detailed weather information for a specified city as structured JSON data. This tool provides raw weather data for programmatic analysis and processing.

Parameters* required
citystring
The name of the city to fetch weather information for, PLEASE NOTE English name only, if the parameter city isn't English please translate to English before invoking this function.
include_forecastboolean
Whether to include forecast data (next 24 hours)default: false
get_current_datetimeGet current time in specified timezone.1 params

Get current time in specified timezone.

Parameters* required
timezone_namestring
IANA timezone name (e.g., 'America/New_York', 'Europe/London'). Use UTC timezone if no timezone provided by the user.
get_timezone_infoGet information about a specific timezone including current time and UTC offset.1 params

Get information about a specific timezone including current time and UTC offset.

Parameters* required
timezone_namestring
IANA timezone name (e.g., 'America/New_York', 'Europe/London')
convert_timeConvert time from one timezone to another.3 params

Convert time from one timezone to another.

Parameters* required
datetime_strstring
DateTime string in ISO format (e.g., '2024-01-15T14:30:00') or 'now' for current time
from_timezonestring
Source timezone (IANA timezone name)
to_timezonestring
Target timezone (IANA timezone name)
get_air_qualityGet air quality information for a specified city including PM2.5, PM10, ozone, nitrogen dioxide, carbon monoxide, and other pollutants. Provides health advisories based on current air quality levels.2 params

Get air quality information for a specified city including PM2.5, PM10, ozone, nitrogen dioxide, carbon monoxide, and other pollutants. Provides health advisories based on current air quality levels.

Parameters* required
citystring
The name of the city to fetch air quality information for, PLEASE NOTE English name only, if the parameter city isn't English please translate to English before invoking this function.
variablesarray
Air quality variables to retrieve. If not specified, defaults to pm10, pm2_5, ozone, nitrogen_dioxide, and carbon_monoxide.
get_air_quality_detailsGet detailed air quality information for a specified city as structured JSON data. This tool provides raw air quality data for programmatic analysis and processing.2 params

Get detailed air quality information for a specified city as structured JSON data. This tool provides raw air quality data for programmatic analysis and processing.

Parameters* required
citystring
The name of the city to fetch air quality information for, PLEASE NOTE English name only, if the parameter city isn't English please translate to English before invoking this function.
variablesarray
Air quality variables to retrieve

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Readme

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Weather MCP Server

mcp-name: io.github.isdaniel/mcp_weather_server

View the full README on GitHub

Details

Repository
github.com/isdaniel/mcp_weather_server
Category
Data & Analytics
Package
mcp-weather-server
Transport
STDIO
Registry
MCP registry, active

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