As of October 18, 2018, the car wash's hours were AM to 8 PM. Figured I'd answer this question since Buc-ee's is clearly on too much of a shoe-string budget to be able to afford to have someone that manages the different social media accounts and answers a couple of questions on Google a few times a month. I am a big fan of the company, but judging by the void of interaction on their own Google page,, Buc-ee'so really needs to step up their online presence.
Until what time?
8pm, I think.
No. It's only open during the day.
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