Before entering the Capulet party, Romeo expresses a sense of foreboding and fear that something bad is going to happen. He shares a premonition that the night’s events will lead to his untimely death. This fear is articulated in his line about feeling "some consequence yet hanging in the stars," suggesting that he believes the outcome of the evening is fated and could result in tragedy.
This sense of foreboding adds to the overall atmosphere of the play by highlighting the theme of fate versus free will. Romeo’s apprehension foreshadows the tragic events that follow, creating tension and anticipation for the audience. It emphasizes the idea that the characters are caught in a web of destiny, hinting at the dire consequences that will arise from their actions later on in the story. This foreboding creates a poignant contrast to the excitement and joy of the party, intensifying the tragedy that unfolds.