On some models moisture could make its way into the rear wheel bearing, which would lead to noise. Rear wheel bearing and dust cap replacement will be needed for this repair.Google+
Car Problem Reports
Honda Accord Moisture in rear wheel bearing may cause noise
Honda Accord Problem
Average Mileage: 109,500 mi (100,000 mi - 119,000 mi)
has happened twice, stay out of water
Visitor, 1998 Honda Accord, 119,000 mi
Moisture got in rear right wheel bearing and had to replace it. Cost $286 in Los Angeles.