🌦️ Advanced Weather Forecast & Predictor

A comprehensive weather application built with Streamlit that provides real-time weather data, forecasts, and AI-powered predictions for cities worldwide.

📁 File Structure

weather_app/
│
├── main.py              # Main application file
├── config.py            # Configuration and API settings
├── styles.py            # CSS styles and UI theming
├── city_search.py       # City search and geocoding functionality
├── weather_api.py       # Weather API integration
├── data_processor.py    # Data processing and formatting
├── predictor.py         # AI prediction models
├── weather_map.py       # Interactive map components
├── ui_components.py     # UI components and displays
├── requirements.txt     # Python dependencies
└── README.md           # This file

🚀 Features

• 🌍 Global City Search: Search for any city worldwide with autocomplete suggestions
• 🌤️ Real-time Weather: Current weather conditions with detailed metrics
• 📈 5-Day Forecast: Interactive charts showing temperature, humidity, wind, and rain probability
• 🔮 AI Predictions: Machine learning-powered temperature trend predictions
• ⚖️ City Comparison: Compare weather conditions across multiple cities
• 🗺️ Interactive Maps: Visualize weather data on interactive world maps
• 📊 Weather Insights: Analyze weather patterns and trends
• 🎨 Modern UI: Beautiful, responsive design with smooth animations

🛠️ Installation & Setup

Prerequisites

• Python 3.8 or higher
• OpenWeatherMap API key (free at https://openweathermap.org/api)

Step 1: Clone or Download Files

Create a new directory and save all the provided files:

mkdir weather_app
cd weather_app

Save the following files in your directory:

• main.py
• config.py
• styles.py
• city_search.py
• weather_api.py
• data_processor.py
• predictor.py
• weather_map.py
• ui_components.py
• requirements.txt

Step 2: Install Dependencies

pip install -r requirements.txt

Step 3: Configure API Key

1. Get your free API key from OpenWeatherMap
2. Open config.py
3. Replace the API_KEY value with your actual API key:

   API_KEY = "your_actual_api_key_here"

⚠️ Important: New API keys can take up to 2 hours to activate!

Step 4: Run the Application

streamlit run main.py

The application will open in your default web browser at http://localhost:8501

📝 Usage Instructions

Main Features:

1. Search Cities:

   • Type any city name in the search box
   • Select from autocomplete suggestions
   • Or choose from popular cities list

2. View Weather Data:

   • Current conditions with temperature, humidity, wind speed
   • 5-day forecast with interactive charts
   • AI-powered temperature predictions

3. Compare Cities:

   • Add multiple cities for comparison
   • View side-by-side weather data
   • Interactive comparison charts and maps

4. Navigate the Interface:

   • Use tabs to switch between different chart views
   • Hover over charts for detailed information
   • Click on map markers for city details

🔧 Troubleshooting

Common Issues:

API Key Problems:

• Make sure your API key is valid and active
• New keys need up to 2 hours to activate
• Check your API usage limits

Installation Issues:

• Ensure Python 3.8+ is installed
• Try upgrading pip: pip install --upgrade pip
• Install dependencies one by one if batch installation fails

City Search Not Working:

• Check internet connection
• Verify API key in config.py
• Try searching with just city name (e.g., "London" instead of "London, UK")

Charts Not Displaying:

• Clear browser cache
• Check if all dependencies are installed
• Try refreshing the page

🎯 Key Components Explained

main.py

• Main application orchestration
• Session state management
• User interface coordination

config.py

• API configuration
• Cache settings
• API key validation

weather_api.py

• OpenWeatherMap API integration
• Data fetching with caching
• Error handling

ui_components.py

• Streamlit UI components
• Interactive charts and displays
• User input handling

predictor.py

• Machine learning predictions
• Weather pattern analysis
• Temperature trend forecasting

📊 API Information

This application uses the OpenWeatherMap API:

• Current Weather Data: Real-time weather conditions
• 5-Day Forecast: Weather predictions every 3 hours
• Geocoding API: City search and coordinates

API Limits (Free Plan):

• 1,000 calls per day
• 60 calls per minute
• Data updates every 2 hours

🔄 Updates and Maintenance

To update the application:

1. Replace the old files with new versions
2. Update dependencies: pip install -r requirements.txt --upgrade
3. Restart the Streamlit application

🆘 Support

If you encounter any issues:

1. Check the troubleshooting section above
2. Verify your API key and internet connection
3. Ensure all dependencies are correctly installed
4. Check the Streamlit documentation for UI-related issues

🌟 Tips for Best Experience

• Search Tips: Use simple city names for better results
• Performance: The app caches data for 5 minutes to improve speed
• Mobile: Works on mobile devices but desktop experience is recommended
• Multiple Cities: Add up to 10 cities for comparison for optimal performance

---

Built with ❤️ using Streamlit and OpenWeatherMap API