minimal-request.js

const http = require("http")

const getWeather = () => new Promise((resolve, reject) => {
    const options = {
      hostname: 'nodejs.org',
      path: '/dist/index.json',
      method: 'GET',
    };

    http.get(options, (res) => {
      res.setEncoding('utf8');
      let rawData = '';
      res.on('data', (chunk) => { rawData += chunk; });
      res.on('end', () => {
        try {
          const parsedData = JSON.parse(rawData);
          console.log(`Inside end listener. Logging out parsedData`, parsedData);
          resolve(parsedData);
        } catch (e) {
          reject(e);
        }
      });
    });
})

const response = await getWeather()
console.log(`response from getWeahter`, response)

request.js

const http = require("http")

const getWeather = () => new Promise((resolve, reject) => {
  http.get('http://nodejs.org/dist/index.json', (res) => {
      const { statusCode } = res;
      const contentType = res.headers['content-type'];

      let error;
      if (statusCode !== 200) {
        error = new Error('Request Failed.\n' +
                          `Status Code: ${statusCode}`);
      } else if (!/^application\/json/.test(contentType)) {
        error = new Error('Invalid content-type.\n' +
                          `Expected application/json but received ${contentType}`);
      }
      if (error) {
        console.error(error.message);
        // consume response data to free up memory
        res.resume();
        return;
      }

      res.setEncoding('utf8');
      let rawData = '';
      res.on('data', (chunk) => { rawData += chunk; });
      res.on('end', () => {
        try {
          const parsedData = JSON.parse(rawData);
          console.log(`from parsed`, parsedData);
          resolve(parsedData);
        } catch (e) {
          reject(e);
        }
      });
    }).on('error', (e) => {
      console.error(`Got error: ${e.message}`);
    });
})

const response = await getWeather()
response

An interactive demo that runs getWeather: https://runkit.com/agconti/getweather-example