Wales lead Italy 26-9 with 15 minutes to go in Rome.
Jonathan Davies made the most of a lucky bounce to collect a kick through and score after 44 minutes.
With Italian prop Martin Castrogiovanni in the sin bin, Alex Cuthbert ran a fantastic line to touch down in the corner for Wales' second try on the hour mark.
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Ryan Giggs accepts he must get used to the loneliness of management again on his Wales journey.
Skies will remain cloudy for most with further rain or drizzle through the afternoon.
Labour needs to "show leadership" and warn about the risks of Brexit, Owen Smith said after being dismissed from the shadow cabinet.