Turned on weewx debugging ...
Oct 5 09:12:39 raspberrypi2 weewx[1601]: restx: Wunderground-RF: Failed upload attempt 1: <urlopen error timed out>
Oct 5 09:12:44 raspberrypi2 weewx[1601]: restx: Wunderground-RF: Failed to publish record 2022-10-05 09:11:39 PDT (1664986299): Failed upload after 1 tries
Oct 5 09:13:44 raspberrypi2 weewx[1601]: restx: Wunderground-RF: Failed upload attempt 1: <urlopen error timed out>
Oct 5 09:13:49 raspberrypi2 weewx[1601]: restx: Wunderground-RF: Failed to publish record 2022-10-05 09:12:44 PDT (1664986364): Failed upload after 1 tries
Maybe version 3.9.1 has the old URL?
Which is odd, my other 3.9.1 station is running just fine.
Also I switched from the old password method to the ID key. No change, still broken.
Doug B.