What is the water temperature at the Water Park? The water is heated and pumped at 80° F. Was this article helpful? Related articles Do I have to visit both LEGOLAND and the Water Park on the same day? Do you have a map of the Water Park? What ride restrictions are in the Water Park? Can I visit LEGOLAND today and then the Water Park on another day? Are there any restrictions on Swimwear at the Water Park?