How do I get an OpenWeather API key?

Visit [**openweathermap.org/api**](https://openweathermap.org/api), click **Sign Up** for a free account, go to **API Keys** in your account settings, and create a new key. Copy it — it's a 32-character hex string. Free tier includes 60 calls/minute.

Can I get weather alerts for my location?

Yes! Use `get_weather_alerts` with lat/lon coordinates. Returns active alerts with sender name, event type, severity, description and start/end times. Useful for monitoring severe weather, floods, heat waves and other dangerous conditions.

Can I get historical weather data?

Yes! Use `get_historical_weather` with lat/lon and a date in YYYY-MM-DD format. Returns the weather conditions for that specific day including temperature, humidity, wind and pressure.

How do I find coordinates for a city?

Use `geocode` with the city name (e.g. 'London', 'São Paulo', 'Tokyo'). Returns the top 5 matching locations with their latitude, longitude, country code and state. Use these coordinates with other weather tools.

OpenWeather MCP Connector for Claude

A+

Get weather data worldwide — current conditions, forecasts, air quality, alerts and historical data from any AI agent.

11 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

Connect to OpenWeather APIs and access global weather data through natural conversation.

What you can do

Current Weather — Get real-time temperature, humidity, wind, pressure, visibility and conditions for any location
Hourly Forecast — 48-hour hourly forecast with temperature, precipitation probability and UV index
Daily Forecast — Up to 16-day daily forecast with min/max temperatures and weather descriptions
Weather Alerts — Active severe weather warnings and alerts for any location
Air Quality — Current AQI and 4-day forecast with pollutant concentrations (PM2.5, PM10, O3, NO2, CO)
Historical Weather — Weather conditions for any past date
Sun Times — Sunrise and sunset times for any location
Geocoding — Convert city names to coordinates and vice versa

How it works

Subscribe to this server
Enter your OpenWeather API Key
Start exploring weather data from Claude, Cursor, or any MCP-compatible client

No more checking weather apps — just ask your AI.

Who is this for?

Travelers — check weather forecasts and alerts before and during trips
Event Planners — monitor weather conditions and UV index for outdoor events
Outdoor Enthusiasts — check sunrise/sunset times, air quality and hourly forecasts
Researchers — access historical weather data and air quality trends

weather-forecastair-qualityreal-time-datameteorologyclimate-data

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

get_current_weather

Requires either city name (e.g. "London", "São Paulo") or latitude/longitude coordinates. Get current weather conditions for a location

get_hourly_forecast

Each hour includes temperature, humidity, wind, UV index, precipitation probability and weather description. Requires lat/lon coordinates. Use geocode to find coordinates for a city name. Get hourly weather forecast using One Call API

reverse_geocode

Returns the city, state, country and postal code for the given coordinates. Convert coordinates to a city name

get_sun_times

Returns the exact times and the sun's elevation angle at sunrise/sunset. Requires lat/lon coordinates. Get sunrise and sunset times for a location

geocode

Returns the top 5 matching locations with their coordinates, country codes and state names. Use these coordinates with other weather tools. Convert a city name to coordinates

get_daily_forecast

Each day includes min/max temperature, humidity, wind, UV index, precipitation probability and weather description. Requires lat/lon coordinates. Get daily weather forecast for up to 16 days

get_weather_alerts

Returns alert type, severity, description, start and end times. Requires lat/lon coordinates. Useful for monitoring severe weather conditions. Get active weather alerts for a location

get_air_quality

5, PM10, O3, NO2, SO2, CO, NH3). AQI scale: 1=Good, 2=Fair, 3=Moderate, 4=Poor, 5=Very Poor. Requires lat/lon coordinates. Get current air quality index for a location

get_air_quality_forecast

Each data point includes AQI level (1-5 scale) and concentrations of PM2.5, PM10, O3, NO2, SO2, CO and NH3. Get 4-day air quality forecast for a location

get_forecast

Each data point includes temperature, humidity, wind, pressure and weather description. Optionally set the number of days (1-5). Requires either city name or lat/lon. Get 5-day/3-hour weather forecast

get_historical_weather

Returns temperature, humidity, wind, pressure and weather description for the requested date. Requires lat/lon and date in YYYY-MM-DD format. Get historical weather data for a specific date

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