WinterFest 2018 Posted on November 2, 2018 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: December 2, 2018 – December 9, 2018 all-day 2018-12-02T00:00:00-06:00 2018-12-10T00:00:00-06:00 WinterFest Various events happening throughout Mayville-Portland.