See that there? That's the Weather Flow app. And that's pretty much all there is to it. Simple, easy-to-read data like date and time, temperature and forecast (daily or hourly). Don't overthink it. The backgrounds (which pan ever so slowly) are gorgeous.
There's a typographic theme (available in black or white) that you can switch to in the settings, and there are a couple 4x1 widgets...
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