Games are June 24 and 25.  Day and time of Scottish Fiddlers performance TBA

From the event website:

Join us for the annual San Diego Scottish Highland Games. Experience the wonder, and traditions of Scotland. The Event runs Saturday June 25 – Sunday June 26, at Brengle Terrace Park in Vista, CA, 9am-5pm both days.

https://www.sandiego.org/explore/events/festivals-and-street-fairs/san-diego-scottish-highland-games-and-gathering-of-the-clans.aspx