How to connect Cal.com and Open Weather
Create a New Scenario to Connect Cal.com and Open Weather
In the workspace, click the “Create New Scenario” button.

Add the First Step
Add the first node – a trigger that will initiate the scenario when it receives the required event. Triggers can be scheduled, called by a Cal.com, triggered by another scenario, or executed manually (for testing purposes). In most cases, Cal.com or Open Weather will be your first step. To do this, click "Choose an app," find Cal.com or Open Weather, and select the appropriate trigger to start the scenario.

Add the Cal.com Node
Select the Cal.com node from the app selection panel on the right.

Cal.com
Add the Open Weather Node
Next, click the plus (+) icon on the Cal.com node, select Open Weather from the list of available apps, and choose the action you need from the list of nodes within Open Weather.

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Open Weather
Authenticate Open Weather
Now, click the Open Weather node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Open Weather settings. Authentication allows you to use Open Weather through Latenode.
Configure the Cal.com and Open Weather Nodes
Next, configure the nodes by filling in the required parameters according to your logic. Fields marked with a red asterisk (*) are mandatory.
Set Up the Cal.com and Open Weather Integration
Use various Latenode nodes to transform data and enhance your integration:
- Branching: Create multiple branches within the scenario to handle complex logic.
- Merging: Combine different node branches into one, passing data through it.
- Plug n Play Nodes: Use nodes that don’t require account credentials.
- Ask AI: Use the GPT-powered option to add AI capabilities to any node.
- Wait: Set waiting times, either for intervals or until specific dates.
- Sub-scenarios (Nodules): Create sub-scenarios that are encapsulated in a single node.
- Iteration: Process arrays of data when needed.
- Code: Write custom code or ask our AI assistant to do it for you.

JavaScript
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AI Anthropic Claude 3
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Open Weather
Trigger on Webhook
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Cal.com
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Iterator
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Webhook response
Save and Activate the Scenario
After configuring Cal.com, Open Weather, and any additional nodes, don’t forget to save the scenario and click "Deploy." Activating the scenario ensures it will run automatically whenever the trigger node receives input or a condition is met. By default, all newly created scenarios are deactivated.
Test the Scenario
Run the scenario by clicking “Run once” and triggering an event to check if the Cal.com and Open Weather integration works as expected. Depending on your setup, data should flow between Cal.com and Open Weather (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Cal.com and Open Weather
Cal.com + Open Weather + Google Calendar: When a new booking event occurs in Cal.com, retrieve the weather forecast from Open Weather. Then, create a Google Calendar event with the weather information included in the event description.
Open Weather + Cal.com + Slack: When Open Weather predicts bad weather, list upcoming bookings from Cal.com and cancel them. Then, send a Slack message to notify users about the cancellation.
Cal.com and Open Weather integration alternatives
About Cal.com
Embed Cal.com in Latenode to automate meeting scheduling. Trigger flows based on booking events: send follow-up emails, update CRMs, or generate reports. Latenode adds advanced logic, data manipulation, and integrations Cal.com lacks natively, creating flexible, scalable scheduling workflows.
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About Open Weather
Use Open Weather in Latenode to automate weather-based triggers for business logic. Get current conditions or forecasts to adjust marketing campaigns, logistics, or facility management. Unlike standalone apps, Latenode lets you blend weather data with other services, apply custom logic, and scale your automation affordably based on execution time.
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See how Latenode works
FAQ Cal.com and Open Weather
How can I connect my Cal.com account to Open Weather using Latenode?
To connect your Cal.com account to Open Weather on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Cal.com and click on "Connect".
- Authenticate your Cal.com and Open Weather accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I reschedule meetings based on weather forecasts?
Yes! Latenode’s visual editor makes it easy. Automatically reschedule Cal.com meetings if Open Weather predicts severe weather, ensuring your team's and clients' safety and convenience.
What types of tasks can I perform by integrating Cal.com with Open Weather?
Integrating Cal.com with Open Weather allows you to perform various tasks, including:
- Send weather forecasts to attendees before a scheduled meeting.
- Automatically block booking slots during extreme weather conditions.
- Suggest optimal meeting times based on the predicted weather.
- Adjust meeting reminders with relevant weather updates.
- Log weather conditions during outdoor events for historical analysis.
How secure is my Cal.com data when using Latenode?
Latenode employs robust security measures, including encryption and access controls, to ensure your Cal.com data is protected at all times during integration and automation.
Are there any limitations to the Cal.com and Open Weather integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Real-time weather updates depend on Open Weather's API availability.
- Customization of weather alerts is limited to Open Weather's data points.
- Complex logic might require JavaScript knowledge within Latenode.