Microcharts or sparklines are another option. I've seen a few implementations along these lines for shell prompts / shell use.

This might be useful for temperature, humidity, wind, preciptitation, and similar measures, either as quantities or timelines.

https://en.wikipedia.org/wiki/Sparkline

https://github.com/deeplook/sparklines

Similar:

https://www.linux-magazine.com/Issues/2016/183/Calc-Conditio...