I've got a Gigabyte GTX 1060, it runs at 55°C to 60°C idle and 75°C to 85°C under load. I'm planning on overclocking the card but I'm not sure if the temps would be too high.
I'm running a Corsair SPEC-04 CASE with 2 ML120 120 mm fans inside, one at the front for intake, and one at the rear...