tils-first-weather-widget/dist/index.js/model/forecast-day.d.ts

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

import Accessor from "@arcgis/core/core/Accessor.js";
import { IDay } from "./day";
import { IForecastHour } from "./forecast-hour";
export interface IForecastDay {
    date: string;
    date_epoch: number;
    day: IDay;
    hour: Array<IForecastHour>;
}
export default class ForecastDay extends Accessor implements IForecastDay {
    date: string;
    date_epoch: number;
    day: IDay;
    hour: Array<IForecastHour>;
    constructor(params: IForecastDay);
}