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
code-examples
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
isDay, Sunrise, and Sunset: Why You Can’t Derive One from the Other
WeatherAPI returns isDay, sunrise, and sunset as separate fields. Here’s why they diverge, when each breaks down, and which to use for what.
Tutorial
How to Build a Reliable Snow Depth and Accumulation Tracker Using WeatherAPI Forecast Data
Snow depth fields in weather API responses are tricky. Here’s how to build a reliable accumulation tracker using WeatherAPI data, with real caveats.
API
Precipitation Accumulation Windows: Why hourly_precip_mm Doesn’t Add Up to daily_precip_mm (And How to Work Around It)
hourly_precip_mm rarely sums to daily_precip_mm in weather API responses. Here’s why the windows don’t align and how to handle it in your code.
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
Moon Phase Data from WeatherAPI: What the Fields Mean and How to Build Accurate Rise/Set Logic
WeatherAPI returns moon phase, moonrise, and moonset — but using them correctly requires knowing what the fields actually represent. Here’s how to do it right.
API
Freezing Level in API Responses: What It Is, Why It’s Not in the Payload, and How to Derive It
WeatherAPI doesn’t return freezing level altitude directly. Here’s the exact method to derive it from temp, dew point, and lapse rate — with real code.
API
How to Interpret pressure_mb Changes Over Time: Building a Storm Approach Detector
Raw pressure_mb values aren’t useful alone. Learn how to use rate-of-change logic on WeatherAPI forecast data to detect approaching storms before they arrive.
API
Humidity Is Not Humidity: vapor_pressure_deficit and why absolute humidity changes what your app should do
Relative humidity alone misleads. Here’s how to derive VPD and absolute humidity from WeatherAPI data, and when each one actually matters for your use case.