I love how we slowly think we need to know this kind of thing. My goggles already have a weather app built into them. If I look out through them i can see the weather.
I think the next worthwile google innovation will be some kind of image intensifier for nasty whiteout or low light days. In the meantime I'll stick to getting to the bottom of the hill, not caring about my vertical drop/top speedorwhateverleseiapparentlyneedtoknowtoenjoymyself, Hi5ing a random German and going and doing it again.