Fetches real-time weather data and generates AI art that visualizes current conditions.

Rendering mermaid diagram...

1. Weather — Fetches current conditions from Open-Meteo (free, no key needed)
2. Prompt — Converts temperature, wind, clouds, precipitation, and time-of-day into a vivid scene description
3. Image — Sends the prompt to Replicate (Stable Diffusion XL) to generate art
4. Response — Returns the image URL as JSON or a rendered HTML page

1. Get a Replicate API token at https://replicate.com/account/api-tokens
2. Add it as an environment variable: REPLICATE_API_TOKEN

Endpoint: GET /

# JSON response (default)
GET /?location=Tokyo&lat=35.6762&lon=139.6503

# HTML page with rendered image
GET /?location=Paris&lat=48.8566&lon=2.3522&format=html

cron.ts runs on a schedule (configure in Val Town UI) and stores the latest result in blob storage under the key weather-art-latest.

• main.ts — HTTP handler (entrypoint)
• cron.ts — Interval/cron handler
• shared/weather.ts — Open-Meteo API client
• shared/prompt.ts — Weather → image prompt builder
• shared/replicate.ts — Replicate SDXL client