The Visual Crossing Weather Data API provides developers with a way to use Visual Crossing Weather Data (https://www.visualcrossing.com/weather-data) inside any application or script. The API provides instant access to both historical weather reports and forecast data in a convenient, comma separated, tabular format.
This is an official API
Offers SSL Support
Requires Requires API Key for use. Free trial available
Request format: Free forum support available at https://support.visualcrossing.com/hc/en-us/sections/360004059911-Weather
Response format: Comma Separate Values