The surveys found the two battling neck-and-neck in Florida, with Mr. Obama drawing 49% support among likely voters to Mr. Romney's 47%.

Mr. Obama held a firmer lead in Ohio—51% to 45%, unchanged from mid-October—where the relatively more buoyant economy and the federal bailout of the auto industry appear to have solidified his support among a wide swath of voters.

In both states, Mr. Obama got high marks from all sides for his management of recovery efforts after the storm Sandy hit the East Coast. That tracks an array of polls taken in the past week suggesting that Mr. Romney's rise may have flattened out just before Sandy landed, an event that sucked national attention away from the campaign trail. In the Florida and Ohio polls, even a majority of Republican voters approved of Mr. Obama's handling of the storm's aftermath.