tils-first-weather-widget/demo/src/main.ts

An example development EXB widget (Grant Caroll, spatial-innovation.co.nz)

import './style.css'
import WebScene from "@arcgis/core/WebScene";
import SceneView from "@arcgis/core/views/SceneView";
import WeatherWidget from '../../dist/widget';
const scene = new WebScene({
    portalItem: { 
        id: "7dda92b9f6714eb38f6f02050339d3c9" 
    }
});
const view = new SceneView({
    map: scene,
    container: "viewDiv"
});

view.when(() => {
    const widget = new WeatherWidget({
        view,
        weatherAPI: "4915cbed4cfa4585a0e21015230808",
        weatherURL: "https://api.weatherapi.com/v1"
    });
    view.ui.add(widget, "top-right");
});