Looks like that got me a little closer, I got the normal [ ok ] Starting weewx (via systemctl): weewx.service. console output but it doesn’t seem to be doing much according to the log:
Dec 17 06:20:42 raspberrypi-1 systemd[1]: Starting LSB: weewx weather system...
Dec 17 06:20:42 raspberrypi-1 weewx[769] INFO __main__: Initializing weewx version 4.2.0
Dec 17 06:20:42 raspberrypi-1 weewx[769] INFO __main__: Using Python 3.7.3 (default, Jul 25 2020, 13:03:44) #012[GCC 8.3.0]
Dec 17 06:20:42 raspberrypi-1 weewx[769] INFO __main__: Platform Linux-5.4.79-v7l+-armv7l-with-debian-10.6
Dec 17 06:20:42 raspberrypi-1 weewx[769] INFO __main__: Locale is 'en_US.UTF-8'
Dec 17 06:20:42 raspberrypi-1 weewx[769] INFO __main__: PID file is /var/run/weewx.pid
Dec 17 06:20:42 raspberrypi-1 weewx[759]: Starting weewx weather system: weewx.
Dec 17 06:20:42 raspberrypi-1 systemd[1]: Started LSB: weewx weather system.
And that’s all that happens.