Hi Samer,
I am in Sydney Australia. I too selected Paris on the map but I still see imperial units. I rebooted by Pi as well. I went back to region setting and saw Paris long and lat. Selecting Sydney again is still imperial. I am using OSPI 2.18(2). Also, whilst I have in the past, I am not seeing a successful weather call time in diagnostics this morning after the reboot. There is no key in the WU field. BTW, I still see imperial when there is a successful call.
Thanks