weather-scraper/index.js

import 'dotenv/config'
import puppeteer from 'puppeteer'

const NIX_OPS = {
    executablePath: process.env.NIX_CHROMIUM_PATH,
}
const opts = process.env.ON_NIX ? NIX_OPS : {}

const HOUR = 21

const fetchILMeteo = async () => {
    const browser = await puppeteer.launch(opts)
    const page = await browser.newPage()

    await page.goto('https://www.ilmeteo.it/meteo/Pisa')

    const weatherTable = await page.locator('.weather_table').waitHandle()
    const row = await weatherTable.$(`.forecast_1h[data-hour="${HOUR}"]`)
    const temp = await row.$('[data-value="temperatura"]')
    console.log(await temp?.evaluate(el => el.textContent))

    await browser.close()
}

fetchILMeteo()