"Everybody is suffering. We have to get through this together, and we will get through this together," McCarthy said.
Meanwhile, the National Park Service announced the Statue of Liberty, which had been dark since Superstorm Sandy, was to be relit Friday.
The National Park Foundation said the statue "will once again shine as a beacon of hope, a bright testament to the strength and resilience of the United States and the steadfast ability of our citizens to join together and rebuild in the face of adversity."
New Jersey, where Sandy made landfall October 29, put gas rationing rules into effect last week in 12 counties.
Christie told reporters Thursday that the nor'easter, which brought cold and snow to the area, was responsible for 167,000 new outages but praised utility workers who were trying to get the lights and heat back on.
Residents got a break from the cold weather on Friday as temperatures rose into the upper 40s and lower 50s in New England, New York and New Jersey after morning temperatures that dipped into the 30s.