Weather Resistant or GFCI outlet outside?
They do make while-in-use covers that work with GFCI outlets. See, for example, this one at Home Depot (not an endorsement or recommendation, just an example). And, they do make WR GFCI receptacles, so you could do both. Pretty sure at least GFCI is required by the NEC.

Here is an example of a WR GFCI outlet.