This is the Tomorrow.io provider from PHP Weather.
Tomorrow.io’s weather API delivers the fast, reliable, and hyper-accurate weather data you need, with the flexibility to integrate this data source with any application, system, or program.
Via Composer
composer require php-weather/tomorrow
$tomorrowKey = 'key';
$httpClient = new \Http\Adapter\Guzzle7\Client();
$tomorrowIo = new \PhpWeather\Provider\Tomorrow\Tomorrow($httpClient, $tomorrowKey);
$latitude = 47.873;
$longitude = 8.004;
$currentWeatherQuery = \PhpWeather\Common\WeatherQuery::create($latitude, $longitude);
$currentWeather = $tomorrowIo->getCurrentWeather($currentWeatherQuery);