This article provides a complete, practical walkthrough of the Manual Schedule Automate Scheduled n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

What This Agent Does

This agent orchestrates a reliable automation between HTTP Request, Webhook, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• HTTP Request
• Webhook

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   Title:  
   Automating Weather Alerts with n8n, OpenWeatherMap, and SIGNL4
   
   Meta Description:  
   Learn how to automate critical weather notifications using n8n with OpenWeatherMap and SIGNL4. Trigger temperature-based alerts for specific locations and receive real-time updates directly to your mobile device or team dashboard.
   
   Keywords:  
   n8n workflow, OpenWeatherMap integration, SIGNL4 alerts, weather automation, temperature alert system, low temperature warnings, weather API automation, emergency alerts automation, low temperature monitoring, SIGNL4 use case
   
   Third-Party APIs Used:
   
   - OpenWeatherMap API
   - SIGNL4 API
   
   Article:
   
   In today’s connected world, real-time automation of key environmental data can be critical for ensuring safety and operational readiness—especially when weather conditions pose a potential risk. In this article, we explore an automated weather alert system built using n8n, a powerful workflow automation tool, in conjunction with OpenWeatherMap for weather data and SIGNL4 for real-time alerting.
   
   Let’s dive into how this workflow functions and how you can set something similar up for your own needs.
   
   Overview of the n8n Workflow
   
   This n8n workflow is designed to automatically check the weather for Berlin every day at 6:15 AM. If the temperature drops below 25°C (a configurable threshold), it sends a customized alert via SIGNL4. This notification includes the specific temperature and the exact coordinates of the location, providing timely and relevant information for your team.
   
   Let’s break down each part of the workflow:
   
   1. Schedule Trigger
   The workflow begins with a Schedule Trigger node configured to run every day at 6:15 AM. This ensures that the temperature is checked consistently at the same time each day—ideal for daily operational planning or decision-making.
   
   2. OpenWeatherMap Node
   Next, the workflow calls the OpenWeatherMap node to fetch the current weather data for Berlin. OpenWeatherMap is a widely used API that provides up-to-date information including temperature, humidity, and other meteorological data.
   
   This node includes:
   - City: Berlin (but can be customized)
   - Credentials for accessing the OpenWeatherMap API
   
   The response includes valuable weather information like temperature and geographical coordinates, which power the next steps in the workflow.
   
   3. Conditional Check (If Node)
   The core decision-making is handled here. The IF node evaluates whether the current temperature (in °C) is less than 25. If this condition is met, the workflow proceeds to trigger an alert. This logic ensures that alerts are only sent for actionable temperature readings, minimizing noise and increasing relevance.
   
   4. SIGNL4 Alert Notification
   If the temperature crosses the defined threshold, an alert is sent through SIGNL4 — a mobile alerting platform designed for incident response and team coordination.
   
   The alert message includes:
   - A title: “Weather Alert from n8n”
   - A body message: “Weather alert ❄️ Temperature: {temperature} °C”
   - External ID: A reference identifier (e.g., "weather-alert")
   - Precise location info based on latitude and longitude from the OpenWeatherMap response
   
   SIGNL4 allows recipients to immediately acknowledge alerts, escalate issues, or act through mobile or desktop interfaces—making it ideal for energy providers, emergency services, logistics teams, and others who operate in weather-sensitive conditions.
   
   5. Manual Trigger Functionality
   In addition to the automated daily schedule, a "Manual Trigger" node is included to easily test the workflow without waiting for the next scheduled execution. This is especially useful during the development or debugging phase.
   
   Use Cases and Applications
   
   This workflow can be adapted for a variety of real-world applications:
   
   - Facilities Management: Notify on-site personnel when freezing or overheating temperatures could impact equipment or infrastructure.
   - Agriculture: Alert farm teams about climate conditions that affect planting or harvesting.
   - Field Operations: Keep field crews and logistics teams informed about weather that could delay or endanger travel.
   - Smart Home Automation: Extend this alert system to trigger smart home actions like closing windows or adjusting thermostats.
   
   Scalability and Customization
   
   Because this workflow is built using n8n, it is fully customizable and can be extended further:
   - Add more cities or locations.
   - Adjust temperature thresholds for different alert types.
   - Integrate with other messaging tools like Slack, Microsoft Teams, or SMS gateways.
   - Log alert data to Google Sheets, Notion, or an internal dashboard for historical analysis.
   
   Conclusion
   
   With just a few nodes in n8n, you can create a powerful automation that monitors weather conditions and instantly alerts relevant stakeholders. The integration of OpenWeatherMap for weather data and SIGNL4 for real-time incident notification transforms this from a simple check-in to a mission-critical alerting mechanism.
   
   By automating routine checks and surfacing important data as it happens, your organization can act quicker, reduce downtime, and stay one step ahead of environmental challenges.
   
   Start with this template and adapt it to suit your unique use case. It’s one small workflow, but one giant leap for operational awareness.
   
   —  
   Need help getting started? Visit the documentation for n8n, OpenWeatherMap, and SIGNL4, or reach out to the communities behind these tools. Automate with confidence.

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.