The Portuguese strongly hinted after Tuesday's Champions League exit at the hands of Borussia Dortmund that he wants to return to Chelsea by declaring that he is "loved" in England - in contrast to Spain, where he believes people "hate" him.
But, speaking at his pre-match press conference ahead of the game against Real Valladolid, Mourinho claimed nothing was certain yet.
"It's not worth talking about if I go or not," he said. "If I go, I will not give explanations."
He added: "I'm working with total professionalism and I still have the same honour and pleasure to work for this club as I did a month or two ago.
"I have not taken the decision yet. First to know will be my wife and my children. Then the president (Florentino Perez) and director general (Jose Angel Sanchez).
"We will speak about the future after the end of the season. I have a Copa del Rey final and La Liga matches to play."
Mourinho lashed out at his critics in the Spanish press, suggesting he was not being given enough credit for the job he has done.
Desperate to win the 10th European Cup that has eluded Real since 2002, club president Florentino Perez hired Mourinho from Inter three years ago, but under his guidance the Spanish giants have been knocked out in the semi-finals of Europe's elite club competition three times in a row.
If Mourinho leaves, he will have won one La Liga title - with a record points haul - and two Copa del Reys should Real beat city rivals Atletico Madrid in the final in two weeks.
"The record league title is mine, you (journalists) will want to erase it but you won't be able to," Mourinho, who has a testy relationship with the Spanish media, said.
"We won the Copa del Rey for the first time in 20 years and you won't be able to erase that either," he added.
"The three Champions League semi-finals, which personally speaking do not leave me satisfied, can't have been easy to achieve because with 18 coaches in 21 years (Real) only got to five semis.
"That's the poor record of Mourinho: three years and three semi-finals. For me it is a source of pride to have been the Real Madrid coach that ended Barcelona's hegemony in Spain."
Mourinho had another dig at Iker Casillas, the club captain and goalkeeper who he has sidelined since he returned after breaking a bone in his hand.
Real bought Diego Lopez from Sevilla as cover while Casillas was out and Mourinho has stuck with Lopez even though Casillas is fit again, prompting speculation the pair have fallen out.
"Problems exist when someone thinks he is above the rest," Mourinho said.
"With players who feel like they are all at the same level I have no problem," he added.
"I should have brought Diego Lopez in at the end of my first season here but perhaps I didn't do enough."
Failure to beat Valladolid at the Bernabeu on Saturday would open the door for Barcelona to regain the title by beating Real Betis on Sunday night.
"Finishing second in the league is not what we want but it is better than finishing third," the 50-year-old added. "We want to win as many points as possible."