Documentation
Documentation for Weather Data, the Weather API and its uses in code, programming, data science and other applications.
Daylight and Twilight Explained: Civil, Nautical, and Astronomical Twilight
Sunrise and sunset seem like clear dividing lines between day and night. In reality, the transition is gradual. The sky…Visual Crossing / July 22, 2026
Weather Maps API – Tiles, Images, and Legends
The Weather Maps API is a new set of endpoints that provide ready-to-use weather map tiles, stitched images, and matching…Visual Crossing / July 21, 2026
Weather Data for Excel and Google Sheets
How to use the Microsoft Excel WEBSERVICE function to retrieve weather data
The Microsoft Excel WEBSERVICE function retrieves data from a URL into a single cell within an Excel worksheet. In this…Andrew Wigmore / July 15, 2026
How do I get started with the Weather API?
The Visual Crossing Timeline Weather API provides historical weather data, current conditions, and weather forecasts through a single API endpoint.…Visual Crossing / July 15, 2026
Where can I find historical cloud and visibility data?
Historical cloud cover and visibility data are useful for transportation, aviation, solar-energy analysis, construction, insurance, research, outdoor recreation, and astronomy.…Visual Crossing / July 14, 2026
How to retrieve hail, tornado, wind damage and earthquake events in the weather API
The Timeline Weather API includes the ability to include storm reports and other significant weather and environmental events that have…Visual Crossing / July 13, 2026
How to look up weather data by latitude and longitude
Visual Crossing Weather lets you retrieve historical weather, current conditions, and forecasts for any location using its latitude and longitude…Visual Crossing / July 10, 2026
Unit groups and units of measurement
The Weather API includes a unitGroup parameter that controls the units of measurement used in the response. This article lists…Visual Crossing / July 9, 2026
Defining the icon set in the Weather API
The Visual Crossing Timeline Weather API can return an icon value for each daily, hourly, and current-conditions weather record. This…Visual Crossing / July 7, 2026
Tutorial: How to Build a Weather Dataset for Download, Bulk Import or Scheduling
If you have ever tried to download weather data for your specific location(s), timeframe and format needs you will know…Visual Crossing / July 6, 2026
What is the difference between temperature, heat index, wind chill, feels like temperature, apparent temperature and RealFeel Temperature?
A weather forecast may report an air temperature of 90°F but say that it “feels like” 100°F. In winter, the…Visual Crossing / June 18, 2026
