How to Use the Astronomy API Endpoint for Twilight Detection — Not Just Sunrise and Sunset
WeatherAPI’s astronomy endpoint returns more than sunrise/sunset. Here’s how to extract civil, nautical, and astronomical twilight for real use cases.
API
api-development
API
What feelslike_c Actually Calculates — and When to Stop Trusting It
WeatherAPI’s feelslike_c blends wind chill and heat index — but the thresholds and edge cases matter. Here’s what’s actually being calculated and where it breaks.
API
How to Cache Weather API Responses Without Serving Stale Data at the Wrong Moment
Caching weather API responses saves money and reduces latency — but done wrong, it serves stale forecasts at exactly the wrong time. Here’s how to get it right.
API
Precipitation Type vs. Precipitation Amount: Why Your API Response Has Both and Which One to Trust
Snow, sleet, rain — or all three? How WeatherAPI separates precip type from amount, where each breaks down, and which field to actually build logic on.
API
Why Cloud Cover Percentages Are Lying to You (And What to Use Instead)
Cloud cover % from weather APIs is a model output, not a measurement. Here’s what the number actually means, where it breaks down, and what to query instead.
API
How HRRR, NAM, and GFS Differ — and Which One to Trust for Your Use Case
HRRR, NAM, and GFS aren’t interchangeable. Here’s how each model works, where each breaks down, and how to pick the right one for your app.
API
How to Use weather_alerts Correctly: Rate Limits, Deduplication, and the Edge Cases That’ll Trip You Up
A practical guide to consuming weather alerts via API without duplicates, missed events, or alert fatigue. Real patterns for polling and caching alert data correctly.
API
Polling vs. WebSockets vs. Webhooks: Choosing the Right Weather Data Delivery Pattern for Your App
Polling, WebSockets, and webhooks each have real trade-offs for weather data apps. Here’s how to pick the right one — with concrete latency and cost implications.
Tutorial
Ceiling and Visibility: How to Build Reliable IFR Condition Detection with WeatherAPI Data
Learn how to programmatically detect IFR, MVFR, and VFR flight conditions from WeatherAPI data — with real thresholds, edge cases, and Python examples.
API
Weather APIs for Developers: Complete Beginner’s Guide
Learn what weather APIs are, how they work, common use cases, and get started building with WeatherAPI’s free plan – no credit card required.