Weather App

Self-hosted weather app with animated radar. No API keys required.

Data Sources

• Weather: Open-Meteo — free, no key
• Radar: RainViewer — free, no key
• Map tiles: CartoDB Dark Matter (free, no key)

Features

• Current conditions (temp, feels-like, wind, humidity, pressure, visibility, UV, clouds)
• 24-hour hourly forecast
• 7-day daily forecast
• Embedded radar panel on the conditions page
• Full-page radar tab with animated past frames + nowcast
• Animated radar timeline with play/pause controls
• City search with autocomplete + GPS geolocation
• Auto-pans radar to searched city
• Dark mode (follows system preference)
• Responsive / mobile-friendly

Quick Start

docker compose up -d

App runs at http://localhost:3000

Pull prebuilt image

docker pull ghcr.io/nmemmert/weather:latest
docker run -d --name weather-app -p 3000:3000 ghcr.io/nmemmert/weather:latest

If the package is private, log in first:

echo "<GITHUB_PAT>" | docker login ghcr.io -u nmemmert --password-stdin

Change the port

Edit docker-compose.yml:

ports:
  - "8080:3000"

Run without Docker

cd app
npm install
node server.js

Project structure

weather-app/
├── docker-compose.yml
└── app/
    ├── Dockerfile
    ├── package.json
    ├── server.js           # Express — proxies Open-Meteo, RainViewer
    └── public/
        ├── index.html
        ├── style.css
        └── app.js          # Weather render + dual Leaflet radar

Nginx reverse proxy

server {
    listen 80;
    server_name weather.yourdomain.com;

    location / {
        proxy_pass http://localhost:3000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }
}