Yep, one week ahead is the most accurate forecast you might possibly have, probability wise. Anything else is reading tea leaves.
That said, next week will be quite sunny and winter tyres are not really required yet:
https://www.meteoswiss.admin.ch/home.html?tab=overview&date=6days
Enjoy your car and keep safe 😎
Revo Stage 1 – JCR super low seating frame – Mishimoto gas pedal spacer – DSC sport controller