The rupee was trading higher at 64.27 in the evening session even as traders expect an increase in interest rates by the US Fed at its policy meet today.
According to forex dealers, dollar's weakness against other currencies overseas and a firm domestic equity market supported the rupee sentiment.
The domestic unit opened a tad strong at 64.32 at the Interbank Foreign Exchange market today. It hovered in a range of 64.36 and 64.23 before quoting at 64.27, up 6 paise at 4.30 pm local time.
Yesterday, the domestic unit ended higher by 11 paise at 64.33 against the greenback on easing retail inflation.
Meanwhile, the benchmark BSE index closed 52.42 points or 0.17 per cent higher at 31,155.91.