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.
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backend-development
API
Terrain-Aware Requests: How Elevation Affects the Numbers You Get Back and What to Do About It
Elevation silently skews temperature, pressure, and precip-type readings. Here’s how to detect and correct for it when building on WeatherAPI data.
API
Decoding air_quality in WeatherAPI Responses: What the Index Values Mean and When They Break Down
A deep dive into WeatherAPI’s air quality fields — what pm2_5, us-epa-index, and gb-defra-index actually measure, where they come from, and when not to trust them.
API
gust_kph vs. wind_kph: Why Peak Wind and Sustained Wind Are Different Problems
gust_kph and wind_kph measure fundamentally different things. Here’s what that means for thresholds, alerts, and real-world decisions in your app.
API
How to Handle time_zone Offsets, epoch Fields, and DST Gaps Without Getting Burned
WeatherAPI returns both local timestamps and epoch values — here’s how they interact with DST, which one to trust, and where UTC-naive code quietly breaks.
API
Wind Direction Fields in Weather API Responses: Why wind_dir and wind_degree Aren’t Always Telling You the Same Thing
wind_dir and wind_degree look redundant until they disagree. Here’s what each field actually represents and how to use both without getting burned.
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.
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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.