The official Disney Parks blog has confirmed that ticket prices will increase for both resorts as of Thursday, August 5.
At Walt Disney World, the price for a 1 day Magic Your Way base ticket will increase $3 to $82 for an adult (ages 10+) and $6 to $74 for children (3-9). Increases continue through the 10 day MYW pass which will now be $262 and $239 respectively. In addition, flat rate fees for park hopping and the water park fun and more options will also each increase to $54 per ticket.
Annual passes will also see an increase, up to $499 per adult and $450 per child while the premium annual pass will cost $629 per adult and $567 per child.
For a full rate schedule on Walt Disney World tickets and other services as of August 5, 2010, see this PDF.
The Disneyland Resort will also see ticket price increases ranging from $4 for a 1 day, 1 park ticket for a total of $76 per adult and an increase of $6 to $68 per child to $256 for a 6 day park hopper adult and $230 child.
Disneyland annual passports will also see a price increase. For more details on the new rates, see this table.
At this time, there is no announced price increase for the Disney Parks Premiere Passport good at both resorts. Please note that tickets already purchased are also not affected by the increase. Tickets for both resorts are good indefinitely until first used and then expire approximately two weeks after first use unless the no expiration option for Walt Disney World tickets had been added prior to that point.