Investors will be looking for Powell's take on the labor market in a speech at the Economic Club of Washington due later in the day, after a sharp rise in jobs growth last week punctured hopes for a tempered Fed.
"We expect Chair Powell to emphasize stubbornness in underlying inflation pressures while highlighting the labor market’s strength and capacity to withstand higher rates."
U.S. interest-rate futures show that markets are expecting the Fed funds rate to peak just above 5.1% by June, compared with expectations of a peak below 5% prior to Friday's jobs report.
"The Fed still has some progress to make, there are signs of positivity in terms of the disinflationary pressures that are in the pipeline, but there is still a labor market problem."
Sterling was last 0.4% down against the dollar at $1.1982, after tumbling to a one-month low of $1.1974 in the previous session.