Here are the forecast temperatures for San marcos and Pine Valley this Sunday 11-13
San Marcos 87 deg http://forecast.weather.gov/MapClick.php?lat=33.1434&lon=-117.1661#.WCcmmfkwg2w
Pine Valley 73 deg http://forecast.weather.gov/MapClick.php?lat=32.8214&lon=-116.5292
Im leaning toward Pine Valley