I’ve been using SunsetWX to forecast good sunsets for photography outings and boy has it been paying off. I think this is my favorite image from the day. Source: over 1 year ago

Vibrant sunrises in Pittsburgh aren't any different than a vibrant sunrise anywhere else in the world. The only factors in play are the height, positioning, and amount of clouds there are at sunrise. Basically the only thing that needs to happen is the clouds have to be high enough so that the sun can light up the bottom of them. This site actually tries to predict where the most vibrant sunrises and sunsets will... Source: over 1 year ago

The website sunsetwx.com attempts to predict how colorful a sunrise or sunset will be and gives you a forecast based on their prediction. They have a page on the site that explains their forecast model and the weather factors they consider. Source: over 1 year ago

-There are is also an app/site I use that aren't always super accurate, but it's accurate enough that they are worth using. Try an app called Alpenglow. Also use this site: https://sunsetwx.com/. Source: almost 2 years ago

This site is really good at predicting sunset quality. Looks like it won't be great. Source: about 2 years ago

The lunar calendar is Sundial: https://sundialapp.comThe weekdays complication is (like date) Watchsmith: https://apps.apple.com/de/app/watchsmith/id1483088503. Source: over 2 years ago

It appears to be an app called Sundial. Downloading it now! Sundial.app. Source: over 2 years ago

Dev here: thanks! I have a Website with more information: https://sundialapp.com/. Source: about 3 years ago