Weather API

Degree Days Weather API
Degree days are a standardized method to calculate the total heat or warmth a location has experienced. They are used…Visual Crossing / June 14, 2026
Requesting sub-hourly data in the Timeline Weather API
In addition to the daily and hourly resolution data that the Timeline Weather API supports, the Weather API now also…Visual Crossing / May 28, 2026

How to include astronomical data (sun, moon, twilight) in your Weather API requests
In addition to providing historical weather observations and weather forecast data, the Weather API also provides a full set of astronomical information.…Visual Crossing / April 30, 2026

Historical Forecast API
Overview The Historical Weather Forecast API is a new endpoint, that provides access to weather forecasts as they were generated…Visual Crossing / March 30, 2026

Weather Map API Integration Samples
This guide uses the Weather Maps API to provide standalone HTML examples for some of the most popular web mapping…Visual Crossing / January 15, 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 / January 7, 2026

Timeline Low Latency LLX Weather API
The Timeline Low Latency eXecution Weather API is a highly scalable, lightweight endpoint designed for applications that require extremely fast…Visual Crossing / November 7, 2025

How to look up current weather conditions using the Timeline Weather API
Updated for the Timeline Weather API. This guide replaces the legacy “current conditions” article and shows how to retrieve the…Visual Crossing / November 1, 2025

Visual Crossing Weather API Libraries
Visual Crossing provides a wide array of open-source libraries that simplify the use of our Weather API in nearly every…Visual Crossing / July 29, 2025

Using the Timeline Weather API with multiple locations in the same request
The Timeline Weather API permits a single location for each API request. In some situations, it is convenient to submit…Visual Crossing / June 4, 2025

Date and Times in the Weather API
The Weather API uses a set of standards to include date time information. This article describes the standards used. Date formats in…Visual Crossing / June 1, 2025



