Most of the reviews seem to be related to bugs after the demo in which either the conditions don't refresh properly, or the location finder doesn't work quite right. You have to play around with it for a minute or two in order to get it set up properly. They'll take care of the bugs, I'm sure, but from what I've seen, it actually is accurate, as in 1 degree within weatherbug on temp, and so far, accurate with cloud cover.
It really is a slick weather app. I like the way that info that is usually presented as a number or picture is shown as a graph with a bit more detail. There is zero clutter, and if it continues to be correct, will be my go-to weather app.
My big complaint is the lack of some sort of shortcut to go to the current conditions. You have to scroll around the screen to the little red arrows to get to right now. They should add a button or gesture that'll take you to right now instantly. It'll make things so much better. That's my biggest complaint.
Otherwise, good app. I'll be using it. And like I said, the accuracy seems to be pretty good, despite the negative reviews.