Generate Weather-Based Date Itineraries with Google Places, OpenRouter AI, and Slack
🧩 What this template does
This workflow builds a 120-minute local date course around your starting point by querying Google Places for nearby spots, selecting the top candidates, fetching real-time weather data, letting an AI generate a matching emoji, and drafting a friendly itinerary summary with an LLM in both English and Japanese. It then posts the full bilingual plan with a walking route link and weather emoji to Slack.
👥 Who it’s for
Makers and teams who want a plug-and-play bilingual local itinerary generator with weather awareness — no custom code required.
⚙️ How it works
Trigger – Manual (or schedule/webhook).
Discovery – Google Places nearby search within a configurable radius.
Selection – Rank by rating and pick the top 3.
Weather – Fetch current weather (via OpenWeatherMap).
Emoji – Use an AI model to match the weather with an emoji 🌤️.
Planning – An LLM writes the itinerary in Markdown (JP + EN).
Route – Compose a Google Maps walking route URL.
Share – Post the bilingual itinerary, route link, and weather emoji to Slack.
🧰 Requirements
n8n (Cloud or self-hosted)
Google Maps Platform (Places API)
OpenWeatherMap API key
Slack Bot (chat:write)
LLM provider (e.g., OpenRouter or DeepL for translation)
🚀 Setup (quick)
Open Set → Fields: Config and fill in coords/radius/time limit.
Connect Credentials for Google, OpenWeatherMap, Slack, and your LLM.
Test the workflow and confirm the bilingual plan + weather emoji appear in Slack.
🛠 Customize
Adjust ranking filters (type, min rating).
Modify translation settings (target language or tone).
Change output layout (side-by-side vs separated).
Tune emoji logic or travel mode.
Add error handling, retries, or logging for production use.
n8n Workflow: Generate Weather-Based Date Itineraries with Google Places, OpenRouter AI, and Slack
This n8n workflow automates the creation of personalized date itineraries based on weather conditions, leveraging AI for creative suggestions and Google Places for location details, then delivers the plan to a Slack channel.
What it does
This workflow simplifies the process of generating date ideas by:
- Triggering Manually: The workflow is initiated manually, allowing you to control when a new itinerary is generated.
- Defining Date Parameters: A "Function" node sets the initial parameters for the date, including the desired city, state, date, temperature, and a prompt for the AI.
- Fetching Weather Data: It retrieves current weather conditions for the specified city using the OpenWeatherMap API.
- Translating Weather (Optional): If needed, the weather description is translated using DeepL.
- Generating AI Itinerary: An OpenRouter Chat Model (via a Basic LLM Chain) receives the date parameters and weather information to generate a creative, weather-appropriate date itinerary.
- Extracting Place Names: A "Code" node extracts potential place names from the AI-generated itinerary.
- Searching Google Places: For each extracted place, it queries the Google Places API to find details like addresses, ratings, and reviews.
- Merging Data: The Google Places data is merged with the original itinerary and weather information.
- Formatting Output: A "Set" node formats the final itinerary message.
- Posting to Slack: The complete, detailed date itinerary is posted to a specified Slack channel.
Prerequisites/Requirements
To use this workflow, you will need:
- n8n Instance: A running instance of n8n.
- OpenWeatherMap API Key: For fetching weather data.
- DeepL API Key (Optional): If you need to translate weather descriptions.
- OpenRouter API Key: For the AI chat model.
- Google Places API Key: For searching and retrieving details about locations.
- Slack Account & API Token: To post the generated itineraries.
Setup/Usage
- Import the Workflow:
- Download the provided JSON file.
- In your n8n instance, click "Workflows" in the left sidebar.
- Click "New" -> "Import from JSON" and paste the workflow JSON or upload the file.
- Configure Credentials:
- Locate the nodes that require credentials (OpenWeatherMap, DeepL, OpenRouter Chat Model, HTTP Request for Google Places, Slack).
- Click on each node and select or create the necessary credentials with your API keys/tokens.
- For the HTTP Request node interacting with Google Places, ensure your Google Places API key is correctly configured in the URL or headers as required by the Google Places API.
- For OpenRouter Chat Model, configure your OpenRouter API key.
- Customize Initial Parameters:
- Open the "Function" node titled "Set Date Parameters".
- Modify the
city,state,date,temperature, andpromptvariables to suit your preferences.
- Activate the Workflow:
- Ensure the workflow is active.
- Execute the Workflow:
- Click the "Execute Workflow" button on the "Manual Trigger" node to run the workflow and generate your first itinerary.
- Check your configured Slack channel for the generated date itinerary.
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