WeatherJsSergio.js

const request = require('request');
const readline = require('readline');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

rl.question('What city do you want time data, separate data by comma? ', (cities) => {

	var arrayOfCities = cities.split(',');
	var numberOfCities = arrayOfCities.length;
	var cityResponseCount = 0;
	var cityTemperatures = [];

	arrayOfCities.forEach(function(city) {

		request('http://api.openweathermap.org/data/2.5/weather?q='+city+'&APPID=56113ea64fd73fb989bcfdd636c050f0', function (error, response, body) {
		  	
		  	apiResult = JSON.parse(body);
			cityResponseCount++;

			cityTemperatures[apiResult.name] = apiResult.main.temp;
			if (numberOfCities === cityResponseCount){
				console.log(cityTemperatures.sort());
			}
		});
	});
  rl.close();
});