Surrey claimed back-to-back wins to start their CB40 title defence following an 18-run win over Scotland on the Duckworth-Lewis method.
Jacques Rudolph top-scored with 69 as the defending champions posted 187 for seven before the rain in Edinburgh ruined the hosts' quest for a memorable opening win.
Under murky skies Scotland struggled to find the momentum they needed, aside from Richie Berrington's unbeaten 43, but just as he looked to take control the rain set in to deny Scotland.
