With Cardiff almost assured of the title and with both Neath and Llanelli winning in midweek, a victory was needed by the Black and Ambers but despite an entertaining game the home side snatched the two points.
Wing Nathan Daniels scored a try for Newport while fly half Michael Hook added the conversion and a brace of penalties. Alan Williams, Shaun James and Daniel Povey scored tries for the home side while Michael Thomas added two conversions.
Newport are at home to second placed Neath on Tuesday evening (7.30)
The annual Women's club launch was held at the Wales Centre of Excellence where National Women's Head Coach and Programme Lead Rhys Edwards, Competition Secretary Adrian Howell and Cardiff Met player Ffion Jones express eagerness for the new campaign to get under way.
WRU TV follows Wales' RWC training squad on day one of their camp in North Wales. The squad were greeted to an official welcome in Colwyn Bay and then headed for an afternoon of team building at ZipWorld