Fantastic! Be sure to have a copy of your license ready to show at reg. Easiest way is via the USAC app. Pro tip: take a screen shot of your license, so if you’re doing a race at a place where there isn’t good cell service, you’ll still have proof of your license. (Won’t be an issue tomorrow!)
Nope. Wear it. You’ll be fine. And warm. 
Yes, just beware that it’ll be dark! Same with the bike trail… so whatever lights you use on the warmup, be sure to take them off for the race.
I’ve been known to wear sunglasses in early morning if I knew the sun was coming up shortly. But definitely err on the side of your own vision!!
I guess the next ones aren’t up yet. I’m not sure when they’re posting them, or what the logistics are yet, but this is what I saw:
Are you on Facebook? The NCNCA group is a really good place to get information like this. Larry Nolan posts a lot of stuff about Early Birds. I just ping’d him to find out when they’re adding these to the NCNCA calendar.