Daily & On-demand Weather Reports with OpenWeatherMap to Telegram

This powerful n8n automation sends you daily weather updates directly to your Telegram chat using live data from OpenWeatherMap . It supports automatic daily updates and manual lookups via form input.

✅ Prerequisites

Before you begin, make sure you have:

• A working n8n instance (v1.0 or later recommended).
• An account with OpenWeatherMap (free plan is sufficient).
• A Telegram Bot created via @BotFather .
• Your Telegram user ID or chat ID .

🔐 API & Bot Setup

🧩 OpenWeatherMap API

1. Go to https://openweathermap.org/api
2. Sign up and verify your account.
3. Navigate to API Keys in your account dashboard.
4. Copy your API key (used later in the HTTP Request node).

🤖 Telegram Bot

1. Open @BotFather in Telegram.

2. Run /newbot and follow the prompts:

   • Choose a name and username for your bot.
   • You'll get a bot token (copy this).

3. Start a chat with your new bot to activate it.

4. To get your Telegram User ID , use @userinfobot or an n8n Telegram Trigger node.

🔄 Trigger Options

⏰ Schedule Trigger (Automatic)

• Runs daily at 8:00 AM IST .
• Ideal for consistent, passive updates.

📝 Form Trigger (Manual)

• Input 🌆 City and 🌍 Country manually.
• Instantly receive weather info in Telegram.

🧠 How the Flow Works

1. Trigger Activated (Scheduled or Form)

2. City & Country fetched (default or from form)

3. HTTP Request sent to OpenWeatherMap with API key

4. Weather Data Parsed & Formatted :

   • 📅 Current Date
   • 📍 City & Country
   • 🌤️ Weather Description
   • 🌡️ Temperatures (°C)
   • 💧 Humidity (%)
   • 🌬️ Wind Speed ​​(m/s)
   • 🔼 Atmospheric Pressure
   • 🌅 Sunrise Time (IST)
   • 🌇 Sunset Time (IST)

5. Message Sent to Telegram

🧰 Nodes Used

• Schedule Trigger – Runs every day at 8:00 AM IST
• Form Trigger – Accepts user input
• Set Node – Default city/country values ​​and date formatting
• HTTP Request – Calls OpenWeatherMap API
• Function Node – Converts timestamps to IST
• Telegram Node – Sends formatted weather message

📦 Example Telegram Output

 📅 Wednesday, 10 July 2025   
🌤 Weather in Mumbai, IN:
 Condition: Clear sky
 Temperature: 30°C
 💧 Humidity: 70%
 🌬 Wind Speed: 3 m/s
 🔼 Pressure: 1013 hPa
 Sunrise: 5:57:12 AM
 Sunset: 6:53:45 PM

🛠️ Customization Tips

🏙️ Change Default City/Country

• Locate the Set Node (used before the API call).
• Replace "Mumbai" and "IN" with your preferred location.
• Or connect the Form Trigger input to allow dynamic values.

🕗 Change Schedule Time

• Open the Schedule Trigger node.
• Adjust to your preferred time zone and daily timing (eg, 7 AM IST).

🧪 Add Extra Data

• OpenWeatherMap returns more fields like visibility, UV index, etc.
• You can include these in your Telegram message via the Function Node and Set Node .